Choir/Theater Ins.

Amanda Rose

DME Dir. & Head Coach

Ben Wisniewski

Email: bwisniewski@stjohnsnorthwestern.org

Direct Line: (414) 507-8766

Time at SJNA: Ben joined the SJNA Family in 2024.

Personal Summary: Ben is entering is 12th season in coaching with eleven of those years being a head coach. He recently was the U19 Head Coach at Get Better Academy in Prague, Czech Republic. Prior to Get Better Academy, he was the head post grad coach at Montverde Academy where he led the team to a 28-5 record and Florida State Championship. Ben also coached at the University of Washington during the 2017 – 18 season. He spent an additional four years in the Pacific Northwest as the head varsity coach at Kingston High School. Ben is a former collegiate basketball student-athlete and played a season professional overseas.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Masters of Education – University of Washington – 2018 | Bachelor of Science: Business Finance – Madison Edgewood College – 2012

Residential Advisor

Beth Wallace

Direct Line: (262) 4901978

Time at SJNA: Beth joined the SJN family in 2025.

Personal Summary: Beth has over 20 years of experience working with youth aged 6-18. The majority of this experience has been supporting teenagers in creating and achieving their academic goals and/or fostering greater mental health awareness and growth. She has spent over seven years working with teenagers who have trauma, mental health, behavioral, and/or at-risk challenges in both educational and residential settings, and she is knowledgeable and well-experienced in providing trauma-informed care; she has extensive experience with using compassionate and effective de-escalation strategies to care for youth in short-term crisis. Beth’s goal is to help every youth have their best day possible, guide them in ensuring success in all nine facets of their lives, and motivate them to have unwavering confidence that their future is bright with unlimited choices, opportunities, and experiences. An avid reader of fiction and non-fiction, Beth enjoys keeping up with current events, watching college sports (Geaux Tigers!), exploring museums, and spending rainy days at home with her two cats, Chester and Skittle.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor’s degree in English with a minor in Secondary Education from Carroll University… Studied Criminology and Psychology at Marquette University… National College Dean’s List

Transportation Coord.

Brandon LaVictor

Email: blavictor@stjohnsnorthwestern.org

Direct Line: (262) 646-7230

Time at SJN: Brandon joined the SJN family in 2007.

Personal Summary: Brandon hails from the Upper Peninsula of Michigan, where he met his wife in High School.  After high school, he joined the United States Marine Corps, where he served as a Signals Intelligence Special Communications Cryptologic Watch Floor Supervisor in Japan and Arlington, VA.  After the Marines, he started his college career while serving in the Michigan Army National Guard as a Multi-Role Bridge Crewmember and Radio Operator.  After receiving his bachelor’s degree from Northern Michigan University, he spent time as an Operations Coordinator for a Community Center before coming to then St. John’s Military Academy in 2007.  He has served in Student Life in several roles, taught social studies courses, and coached the sports of Ice Hockey, Lacrosse, Archery, marksmanship, and Trap and clay.  He has four wonderful kids, and they all enjoy the outdoors together, mainly hiking, fishing, and hunting.

Education, Accreditations, Honors/Awards, Merits, & Certifications: 2012 Col. Walter Hahn – Excellence Award for Student Life | 2010 Carroll University, Master of Education | 2005 Northern Michigan University, Bachelor’s in Secondary Education

Male Res. Life Comm. Lead - DeKoven

Brian Vesper

Email: bvesper@stjohnsnorthwestern.org

Direct Line: (262) 646-7194

Time at SJN: Brian joined the SJN family in 2026.

Social Studies Ins.

Bruce Bowerman

Email: bbowerman@stjohnsnorthwestern.org

Direct Line: (262) 646-7154

Time at SJN: Bruce joined the SJN Family in 2024.

Personal Summary: Bruce has over thirty years of experience teaching Social Studies in both Wisconsin and South Carolina. In addition he has coached three different varsity sports. On the personal front his wife Janet will also be teaching at St. John’s this upcoming school year. They have two children, Lucas who just graduated from law school in Chicago, and Sadie who is attending Minnesota State University for elementary education. Bruce loves to read, work out and is a huge Badgers and Packers fan.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor’s degree in History, Broad Field Social Studies, and Sociology from University of Wisconsin- La Crosse | Master’s degree in Curriculum and Instruction from Saint Scholastica University

Assistant Prep Coach

Bryce Marquart

Female Resident Life

Cadrina Williams

Email: cwilliams2@stjohnsnorthwestern.org

Direct Line: (414) 801-3400

Time at SJN: Cadrina joined the SJN family in July 2025.

Personal Summary: I’ve spent over 15 years working closely with youth, especially adolescent girls, in residential and community settings. I’m looking forward to bringing my experience in crisis intervention and trauma-informed care to a team that shares my passion for helping others grow. Supporting young people through some of the toughest moments in their lives has taught me the importance of patience, consistency, and showing up with compassion every day.

Education, Accreditations, Honors/Awards, Merits, and Certificates: 2 years of nursing school at Rio Salado Community College… Certificate in CBRF, CPR, Crisis Intervention, Mandated reporter, Trauma Informed Care.

Asst. Dean of Acad./College & Career

Catherine Lewis

Email: clewis@stjohnsnorthwestern.org

Direct Line: (262) 646-7283

Time at SJN: Catherine joined the SJN family in 2021.

Personal Summary: For over a decade, Cat has worked to assist students as they transition into the workforce and excel in collegiate athletics. Prior to working in education, Cat spent 10 years in marketing and communications, where she recruited university students and recent graduates to internship roles and entry-level corporate positions. When working at the Student Success Center at UW Oshkosh, Cat helped students draft resumes and cover letters, prepare for interviews, and network with employers. What she likes best about working at SJNA is counseling students one-on-one through their college applications and essay writing processes, leading workshops for parents and families, and scheduling admission visits and campus tours for the students.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Master of Arts in English from the University of Wisconsin Oshkosh | Bachelor’s degree in English with a Minor in Creative Writing from the University of Wisconsin Oshkosh | Granddaughter of a 1944 St. John’s Military Academy alumnus

Chaplain & Social Studies Ins.

Chad Hart

IT Specialist

Chandler Sievewright

Social Studies Ins.

Chris Luedke

Email: cluedke@stjohnsnorthwestern.org

Direct Line: (262) 646-7141

Time at SJN: Chris joined the SJN Family in 2024.

Personal Summary: Chris has 14 years of classroom experience teaching History and Art History at the high school and college level. He has also has 15 years of experience working in art and antique appraisal and as a public historian. He loves bringing the stories that make up History to life encouraging students to see history as approachable and relevant in an increasingly complex world. When he is not in the classroom he enjoys spending time paddling the lakes and rivers of the Lake Country.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Masters in History from Marquette University | Masters in Art History from University of Wisconsin – Milwaukee

TAC Scott Johnston

Chris Wall

Email: cwall@stjohnsnorthwestern.org

Time at SJN: Chris joined the SJN family in 2025.

Personal Summary: Chris has a dynamic background in education and youth residential services. He has taught physical education and a variety of other subjects in a private school setting. Chris promotes social and emotional growth through positive relationship building, activity engagement, and role modeling. He is looking forward to using his experience to help SJN and its students achieve their goals. Chris grew up in Waukesha and enjoys spending time with his family and friends in the area. He is passionate about raising his daughter well, playing music, and completing home improvement projects at home.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Associate of Arts and Science, University of Wisconsin – Milwaukee

Band Instructor

Conrad Jorgensen

Email: cjorgensen@stjohnsnorthwestern.org

Direct Line: (262) 646-7174

Time at SJN: Conrad joined the SJN family in 2007.

Personal Summary: Mr. J has 33 years of teaching experience throughout the great state of Wisconsin.  15.5 years of this time was spent teaching public school in Central Wisconsin, as well as 8 years teaching private trumpet lessons at The Lawrence University Arts Academy.  The past 17 years have been spent here at SJNA working to develop and maintain a successful band program. Additionally Mr. J has been the Varsity and JV golf coach here at SJNA for the past 8 years.  Last year was the first year which a JV golf coach was hired to alleviate some of the demands of coaching both teams. Outside of working at SJNA, Conrad likes to golf, walk around the beautiful lakes here in SE Wisconsin, and is an avid Wisconsin sports fan.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelors of Music Education, University of Wisconsin Stevens Point | Continuing Education Credits, Cardinal Stritch University

Resident Advisor

Derek Hensley

Email: dhensley@stjohnsnorthwestern.org

Time at SJNA: Derek joined the SJNA Family in 2022.

Personal Summary: Derek has years of experience working in team environments of all sizes. From small family owned businesses to construction organizations spanning worldwide. Prior to joining the St. John’s family, Derek owned and operated a business in Washington DC and Florida. In starting this newest chapter in his life, Derek loves bringing the knowledge gained through past experiences to help contribute to the continued growth and success of St. John’s Northwestern Academies. In his free time, Derek enjoys skiing, scuba diving and travel.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor’s degree in Construction Management from Florida International University

Admissions Admin.

Diane Meixelsperger

Email: dmeixelsperger@stjohnsnorthwestern.org

Direct Line: (262) 646-7247

Time at SJN: Diane joined the SJN family in October of 2018.

Personal Summary: Diane previously worked as an office manager and executive secretary in the construction industry for 29 years. She is excited to be working at SJN to be able to put her administrative skills to work helping the admissions department and to have a fulfilling career working with students and families.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Associate of Applied Science degree from WCTC

Head Strength & Conditioning Coach

Eli Audley

Female Resident Life

Ella Butzer

Email: ebutzer@stjohnsnorthwestern.org

Time at SJN: Ella joined the SJN Family in 2025.

Personal Summary: Hi, I’m Ella! I’m so excited to be part of the team here. I went to SJNA for high school and have always loved being part of a close-knit school community. I’m someone who likes to stay organized, help out wherever I can, and bring a positive attitude to each day. Outside of work, I love spending time with my dog Bailey, hiking, reading, and relaxing at the lake.

Education, Accreditations, Honors/Awards, Merits, and Certificates: After high school, I continued my education at MATC, where I studied Health Management

Executive Vice President

Eric Sanchez

Email: esanchez@stjohnsnorthwestern.org

Direct Line: (262) 646-7267

Cell: (414) 807-2592

Time at SJN: Eric joined the SJN family in 2023.

Personal Summary:

Eric has been in sales and marketing for over 20 years. In that time, he has worked in corporate, university/education, and non-profit sectors. He is excited to bring his knowledge, experience, teamwork approach, and leadership skills to St. John’s Northwestern. In his free time, he enjoys spending time with his daughter and family, playing soccer, and writing/performing music with his band.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Lean Six Sigma Yellow Belt | Bachelor’s degree in education, Marian University | Master’s degree in Business Administration with Organizational Leadership – Marian University

TAC Scott Johnston

Ethan Swaney

Email: eswaney@stjohnsnorthwestern.org

Time at SJN: Ethan joined the SJN Family in 2024.

Personal Summary: Ethan is a Prior Firefighter EMT, and U.S. Army Veteran. Ethan has 6 years of emergency medicine experience working in both the civilian and military fields. Ethan enjoys spending his free time with his family.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Firefighter certifications from WCTC. Basic EMT certification/license from WCTC. Graduated from Fort Sam Houston as a Combat Medic (68W). Currently attending Devry University full time as a student in the effort to receive a Bachelors Degree in Computer Science.

Alumni Director

Greg Prospero

Email: gprospero@stjohnsnorthwestern.org

Direct Line: (262) 646-7220

Cell: (414) 640-9095

Time at SJNA: Greg joined the SJNA family in the fall of 2018.

Personal Summary: This is my 34th year in education and my 37th year coaching high school soccer. Last year I was a part time teacher and part time Alumni director. This year is a transition to full time Alumni director. I am excited to reach out and connect with the our fantastic alumni who love their academy and want to see it thrive. I enjoy traveling with my family and watching my high schooler play soccer. Reading and cooking is how I like to fill my leisure time when at home.

Education, Accreditations, Honors/Awards, Merits, & Certifications: B.A. from Marquette University in Milwaukee, Masters of Education in curriculum and design from Louis University in Chicago, 4 Workshop Certifications of AP European History and 15 seminars, Who’s Who amongst American Teachers, Milwaukee/Sentinel Soccer Coach of the Year, Midwest Classic Coach of the Year. Chairman of the National Italian Golf Tournament for Charities Scholarship Committee and Board Member, Phi Alpha Theta National History Honor Society Member.

Math Instructor

Hannah Jorgensen

Email: hjorgensen@stjohnsnorthwestern.org

Direct Line: (262) 646-7103

Time at SJN: Hannah joined the SJN Family in 2026.

Basketball Coach/Male Res. Life

Hocine Gaham

Direct Line: (765) 407-1818

Time at SJNA: Hocine joined the SJN family in July 2025.

Personal Summary: Results-driven basketball coach with experience in skills development, team coaching, and player advancement at the high school, prep, and international levels. Proven ability to develop athletes, build competitive team culture, and guide players toward college and professional opportunities.

Education, Accreditations, Honors/Awards, Merits, and Certificates: First and Second Degree in Basketball Coaching… FIBA Basketball Coaching Certification – Level 1… FIBA Basketball Coaching Certification – Level 2

English Instructor

Jack Hansen

Art Instructor

Jaime Wszelaki

Email: jwszelaki@stjohnsnorthwestern.org

Direct Line: (262) 646-7120

Time at SJNA: Jaime joined the SJNA family in 2025.

Personal Summary: Jaime has been teaching art for 20 years and robotics for 13 years. This has brought her students and herself to achieve many State, National, and International awards. Jaime has been commissioned to complete interior and public murals in the Milwaukee and Northeastern areas of Wisconsin. In 2017, she received the title of a Distinguished Educator from the US NAVY and spent time on the USS Carl Vinson in the Pacific Ocean. This was a once in a lifetime experience that brought her the true realization of how extremely important teamwork and innovation are to be successful in any endeavor. Jaime was featured in the Milwaukee Magazine’s Women of Distinction issue in 2019 for her determination exhibited through the STEAM concepts she taught to her students, with many successful outcomes. Jaime enjoys working in her home studio, creating artworks using copper, clay, paint, and any other mediums she can get her hands on. She also enjoys spending time with her son, fishing, kayaking, and camping. Nature is her peace.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor’s of Fine Arts and Teaching Certification K-12… Carnegie Mellon University Robotics Institute – First Lego Robotics

Advancement Associate

Jane Dillig

Email: jdillig@stjohnsnorthwestern.org

Direct Line: (262) 646-7280

Time at SJNA: Jane joined the SJN family in 2019.

Personal Summary: Jane thoroughly enjoys working closely with the students. She loves watching them grow through their time at SJNA. She also enjoys watching the students work hard to achieve their goals.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor’s degree in Criminal Justice from The University of Wisconsin-Milwaukee

English Ins.

Janet Bowerman

Email: janetmariebowerman@gmail.com

Direct Line: (262) 646-7261

Time at SJN: Janet joined SJN in 2024.

Personal Summary: Janet has been a middle school teacher for over 30 years, and is still very passionate about teaching. Her husband, Bruce, is also a teacher at SJNA, teaching high school social studies. Their son recently graduated from law school at Loyola Law in Chicago. Their daughter is going to school at Mankato State University in Mankato, MN. Janet loves to read, cook, and spend time with her husband and their two dogs, Bo and Chewy.

Education, Accreditations, Honors/Awards, Merits, and Certificates: B.S. in grades 1-8 elementary education, UW-Eau ClaireMaster degree in curriculum, instruction, and assessment from Walden University

Head Regional/Player Development Coach

Jaquan Miller

Head Prep Coach

Jared Brown

Business Instructor

Jessica Parafiniuk

Email: jparafiniuk@stjohnsnorthwestern.org

Direct Line: (262) 646-7213

Time at SJN: Jessica joined the the SJN family in 2026.

Personal Summary: Jessica has over 20 years of experience in HR, Leadership, and Operations, within the Aerospace and Defense field. She has taught higher education for over 18 years, and transitioned into high school education in 2023. She is passionate about supporting our upcoming leaders, helping to prepare them for their next phase in life. She is a passionate, lifelong learner. When not trying a new hobby, she loves spending time with her husband and two children.

Education, Accreditations, Honors/Awards, Merits, and Certificates: MBA in Human Resources Management from Colorado Technical University… MBA in Executive Management from Colorado Technical University

Director of Facilities

Jim Oeffling

JROTC Senior Army Ins.

John Kiriazis

Email: jkiriazis@stjohnsnorthwestern.org

Direct Line: (262) 646-7228

Time at SJN: John joined the SJN Family in 2024.

Personal Summary: LTC Ioannis (John) Kiriazis has had the pleasure of serving in a myriad of executive and organizational leadership positions on four different continents and contributed to implementing and leading efforts to solve complex issues. A West Point (1996) and Naval War College (2009) graduate with almost three decades of service as a US Army Officer, LTC Kiriazis has solid experiences as an institutional director and educator. From his appointment as the Professor of Military Science at Marquette University in Milwaukee, Wisconsin, to serving as the Director for Training Support Activity on the Korean Peninsula, and through leading combat operations in Iraq, he remains eager to seek a profession where he can continue to be part of a team and contribute to inspired achievement for company and industry goals and objectives. He is married to the former Ms. Ashley Rebecca Prest and has two sons, Timotheos and Antonios.

Education, Accreditations, Honors/Awards, Merits, and Certificates: United States Military Academy at West Point (BA – American History) | Naval War College (MA – National Security and Strategic Studies)

Athletic Director

John Lui

Email: jlui@stjohnsnorthwestern.org

Direct Line: (262) 646-7127

Time at SJN: John joined the the SJN family in August of 2024.

Personal Summary: With over 25 years of dedicated teaching and coaching experience, John brings a deep passion for science and STEM education to every role. John has taught multiple disciplines within the STEM field, allowing him to cultivate a broad and nuanced understanding of these subjects. His commitment to continuous learning ensures that he stays at the forefront of educational advancements and best practices. John’s coaching journey spans track, cross country, football, and robotics, where he has led individuals and teams to state titles. Beyond John’s professional life, he enjoy the outdoors, traveling with his wife, and exploring Wisconsin’s finest supper clubs with his adult children.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor’s degree in Biology and History from Knox College | Master’s degree in Education from Regis University. | National Geographic Teacher | National STEM Teacher | Master Naturalist | FIRST Robotics Mentor

Social Studies Ins. & Alumni Specialist

Jon Bennett

Email: jbennett@stjohnsnorthwestern.org

Direct Line: (262) 646-7190

Cell: (262) 370-1947

Time at SJNA: Jon joined the SJNA family in 1992.

Personal Summary: Jon has been teaching at St. John’s for over thirty years. During this time he has taught a variety of classes and is now the United States History instructor. For many years he has led student groups to Europe and to Washington D.C. so students can learn history through travel. In 1999, Jon received the Roy F. Farrand Teaching In Excellence Award. Besides teaching, Jon works as an Alumni Specialist and has a Motorcycle Club.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor’s degree in History and Broad Field of Social Sciences

Physical Education Instructor

Jon Schmidt

Email: jschmidt@stjohnsnorthwestern.org

Direct Line: (262) 646-7183

Time at SJNA: Jon joined the SJNA family in 2017

Personal Summary: Jon came to SJNA through his experience outside of the classroom.  He has a decade of experience in the Fitness and Sports Performance training, gym management, and kids recreational programming.  He has a passion for all athletics, including wrestling, where we was both an NCAA Division 3 All-American and Academic All-American.  Jon has coached all levels ranging from the club-youth level to NCAA Division 1. In his free time he loves hunting, camping, and enjoying time with his son, Hank.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor’s of Science in Education:  Health, Human Performance, and Recreation from the University of Wisconsin – Whitewater | Master’s of Athletic Administration from The Ohio University | NSCA – Certified Strength and Conditioning Specialist | USAW – Advanced Sports Performance Coach | CrossFit Certified Trainer

Director of Admissions

Juan Garcia

Email: jgarcia@stjohnsnorthwestern.org

Direct Line: 262-646-7111

Time at SJNA: Juan joined the SJNA family in 2018

Personal Summary: Juan has 5 years of experience as a recruiter both in the school and military environment. Prior to joining the SJNA team Juan was an Army Drill Sergeant at Fort Leonardwood, MO where he trained and worked with new soldiers. he began recruiting students for SJNA in the summer of 2018, and again some recruiting for the Army in 2019 in Plymouth, MA. Whether it be new soldiers or new students, throughout his career, Juan has greatly enjoyed the opportunities to work with youth. He greatly believes in the importance of leadership skills to the success of young people, which is why he hopes to continue to support and encourage students and their parents to join the SJNA Mission.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor’s Degree in Criminal Justice

Spanish Instructor

Julia Hernandez

Email: jhernandez@stjohnsnorthwestern.org

Time at SJN: Julia joined the SJN Family in August of 2024.

Personal Summary: Julia has seven years of experience teaching Spanish in private, public, and charter school environments. She also has over 25 years experience in banking, specifically in Commercial Lending. Julia is passionate about the Spanish language and culture and loves sharing the music, art, traditions, and food with her students. Her hope is that by acquiring a second language, her students will understand that language and culture are intertwined and inseparable. Julia wants her students to recognize that a second language will enhance their life by increasing opportunities in their careers, education, civic engagement, and personal life. In her free time, Julia enjoys trail running, biking, traveling, cooking, and reading.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Graduated Summa Cum Laude from the University of Wisconsin-Stevens Point with a Bachelor’s of Science degree in Spanish and a Minor in English as a Second Language | Studied in Oaxaca, México, Instituto Cultural Oaxaca | Studied In Salamanca, Spain, University of Salamanca

TAC Scott Johnston

Justin Lee

Email: jlee@stjohnsnorthwestern.org

Direct Line: (262) 646-7796

Time at SJN: Justin joined the SJN Family in 2026.

Dir. of Intl. Partnerships

Justin Poupart

Email: jpoupart@stjohnsnorthwestern.org

Direct Line: +1 (902) 580-0220

Time at SJNA: Justin joined the SJNA Family in July of 2023.

Personal Summary: Justin has been building international partnerships in education between North America and Asia for more than 20 years. Before getting into joint venture educational development, Justin was an ESL teacher and IELTS examiner. Justin spends much of his traveling between SJNA’s partner schools, his home in Canada, and SJNA’s main campus in Delafield. He is an avid collector of airline points and hotel rewards programs.

Education, Accreditations, Honors/Awards, Merits, and Certificates: BA:Asian Studies (Chinese History) | CELTA

Male Resident Life

Justin Ramon

Email: jramon@stjohnsnorthwestern.org

Time at SJNA: Justin joined the SJNA family in July of 2024

Personal Summary: Justin served 6 years in the Untied State Air Force as an Aerospace Medical Technician. After his service he worked for a Durable Medical Equipment company for 3 years before serving his community for 7 years in the Onslow County Public Schools as a part of the Student Support staff. He also has 16 years of experience coaching football from middle school, high school and Semi Pro. He loves working directly with the students of SJNA and assisting them with the transition to living semi-independently, creating a structure that will help them academically and socially. He enjoys spending time with his wife, mother and father, his older brother and younger sister, his 2 kids and 2 huskies back home in North Carolina.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor’s degree in early childhood education and Family Studies from American Military University

German Instructor

Katarzyna Rotte-Skatrud

Email: krotteskatrud@stjohnsnorthwestern.org

English Instructor

Katrina Hodgson

Email: khodgson@stjohnsnorthwestern.org

Direct Line: (262) 646-7186

Time at SJN: Katrina joined the SJN family in 2023.

Personal Summary: Katrina has worked in various roles in youth development and education for the past 5 years. With experience in grade levels ranging from 4K-12th grade. She has worked in classroom settings of all kinds, with experience in co-taught classes, student-led classrooms, and adaptive classroom settings. Katrina enjoys interacting and working with the wonderful students at SJNA. She is enthusiastic and motivated about being involved in the SJNA community and students through sports, extracurriculars, and other activities. Katrina is delighted to be at SJNA and eager about the start of the school year.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Associate Degree from UW-Waukesha | Bachelor’s Degree in Education with Adaptive Education Emphasis from University of Wisconsin-Whitewater

Learning Specialist

Katrina Stock

Email: kstock@stjohnsnorthwestern.org

Direct Line: (262) 646-7144

Time at SJN: Katrina joined the SJN family in 2026.

Personal Summary: Katrina has worked in education for twelve years in a variety of roles, beginning as an ESL paraprofessional, then as a Special Education teacher in Milwaukee for eight years, then moved into the business sector at a math learning center as the Center Director, and spent the past few years doing Title 1 interventions in the area of Reading, Math, and ELA.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor’s degree with a major in English and a Minor in Education from the University of Wisconsin-Green Bay… Teaching Certification for Cross-Categorical Special Education… Currently attending UW-Milwaukee to earn Principal and Instructor of Curriculum licensure

School Nurse

Kelli Banach

Engineering Teacher

Kellie Arenz

DME Program Coach

Khy Winston

Direct Line: (313) 701-0218

Time at SJNA: Khy joined the SJN family in 2025.

Personal Summary: As a Graduate Assistant with the Spartans’ men’s basketball program under legendary coach Tom Izzo, Winston gained experience in player development, video analysis, and advanced training methods.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Master of Science in Sport Coaching, Leadership, and Administration, Michigan State University… Bachelor of Arts in Anthropology, Albion College

HR Dir. & Birk Infirmary/Safety Dir.

Kristin Byrnes

Email: kbyrnes@stjohnsnorthwestern.org

Direct Line: (262) 646-7114

Time at SJNA: Kristin joined the SJNA family in October of 2022.

Personal Summary: Kristin is married to a 2009 St. John’s Northwestern Military alumni, which introduced her to the SJNA family and further strengthened her ties to the school and her family’s long-standing connection to our campus. Along with working in education, Kristin has also worked in various HR positions for other non-profit organizations. What Kristin likes most about working at St. John’s Northwestern is how she can support the faculty and staff here as they work to improve the lives and experiences of our students and the organization as a whole. She has one daughter who frequently comes to campus, supports Lancers Athletics, and enjoys meeting students after school. Her love for the school and students is her motivation and inspires her to make positive changes each day.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor’s in Business Administration and Management from Herzing University | Currently working on MBA with concentration of HR

Admin Asst. Infirmary

Lakesha Gordon

Direct Line: (262) 646-7125

Time at SJN: Lakesha rejoined the SJN Family in 2026.

Dean of Students

Lindsay Knapp

Email: lknapp@stjohnsnorthwestern.org

Direct Line: (262) 646-7149

Time at SJN: Lindsay joined the SJN Family in 2026.

Science Instructor

Louis Pech

Asst. Basketball Coach - DME

Lukas Thein

Direct Line: (920) 841-0118

Time at SJN: Lukas joined the SJN Family in 2024.

Personal Summary: Thein has 10 years of experience coaching at the collegiate level coaching for Edgewood College in Madison, WI. Thein has served as the men’s basketball assistant coach (2013-14), graduate assistant (2014-16), and then served as the recruiting coordinator / assistant coach from (2016-2023). Thein ’13 is a former four-year player for the Eagles where he was a team captain as a junior and senior, a two-time NACC Conference champion, and helped the Eagles to their first NCAA tournament berth in 2012. Outside of Edgewood, Thein has coached and recruited for the Wisconsin Swing, an AAU basketball team, from (2014-2019). Thein attended Kimberly high school where he was a two-time Varsity basketball captain, a 2007 state basketball semifinalist, and 2008 state football champion. Thein brings a wealth of knowledge in recruiting the Midwest and has built many connections at the collegiate level in his 10 year coaching career at Edgewood College.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Masters of Education from Edgewood College | Bachelors of Science in Cross-Categorical Special Education Teaching from Edgewood College | Bachelor of Science in Studies of Education from Edgewood College

Student Driver

Mark Guirlinger

Time at SJN: Mark joined the SJN Family in 2026.

Science Instructor

Melissa Steffens

Email: msteffens@stjohnsnorthwestern.org

Direct Line: (262) 646-7281

Time at SJN: Melissa joined the SJN family in July of 2023.

Personal Summary: Melissa taught at both the secondary and post-secondary levels, 12 years and 8 years experience respectively. Her experience spans numerous courses in science including: Chemistry, Biology, Paramedical Science, Anatomy, Environmental Science, Forensic Science, Physics, Physical Science, and now has added Drone Technologies to her repertoire. During the summer of 2023, Melissa completed several drone courses and received four drone certifications and her commercial licensure. She loves working with students at various levels and strongly believes that every student has within them the ability for success and that we, instructors, are facilitators in their journey, providing support and the tools that help each student succeed and reach their goals. She also enjoys fostering student interest in science, inquiry, and in the world around them. In her free time, Melissa enjoys spending time with her friends and family, being outside, and baking.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor’s of Science in Biological Science from Florida International University | Bachelor’s of Science in Secondary Education from Florida International University | Lifetime Licensure from the State of WI in Chemistry, Biology, Environmental Science, and Broad Field Sciences | FAA Certification in Drone Instruction | FAA Commercial Drone Licensure

Senior Accountant

Michael Coghlan

Email: mcoghlan@stjohnsnorthwestern.org

Direct Line: (262) 646-7239

Time at SJN: Michael joined the SJN Family in October of 2023.

Personal Summary: Michael is a skilled Accountant with 20+ years of experience providing accounting and bookkeeping services to large and small businesses. Self-motivated, highly organized, and detail-focused, he is proficient in working with QuickBooks and other accounting software packages, as well as Microsoft Office software, Lotus Notes, and Lotus Notes Collaboration tools. Michael has served clients in industries ranging from banking to telecommunications, information services, and a number of entrepreneurial firms. He is known for being quick to grasp each client’s business situation and adept at the use of technology as a tool for solving business needs.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Michael holds a BA in Accounting from the University of Galway, Ireland.

President

Michael Fink

Email: mfink@stjohnsnorthwestern.org

Direct Line: (262) 646-7262

Time at SJNA: Mike joined the SJN family in 2018.

Personal Summary: This is my 39th year in the Education Field.  I taught Physical Education (5 yrs), Special Education (10 yrs), Athletic Director, Dean of Students, and School Administrator for 24 (yrs). I coached Baseball, Basketball, Head coach Girl’s Fastpitch 17 (yrs) and the head football Coach (14 yrs) at Kettle Moraine High School. I came to St. John’s eight years ago, after retiring from Kettle Moraine High School. I started out as the Athletic Director and moved to my current position, Chief Student Affairs Officer two years ago. One of the things I like most about St. John’s, is the opportunity to work with kids from a variety of countries. I enjoy learning about all of the different cultures. I enjoy spending time with my family and grand children. I like to attend high school athletic events and enjoy watching the Green Bay Packers!

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor’s degree in Physical Education from UW – Whitewater | Special Education certification from UW – Whitewater | Master’s degree in Curriculum and Instruction from the University of Phoenix

TAC Scott Johnston - Bravo Co.

Michael Toczyski

Email: mtoczyski@stjohnsnorthwestern.org

Direct Line: (262) 646-7279

Time at SJN: Michael joined the SJN family in 2026.

JROTC Instructor

Michael Trione

Email: mtrione@stjohnsnorthwestern.org

Direct Line: (262) 646-7152

Time at SJN: Michael joined the SJN family in 2007.

Personal Summary: SFC Michael Trione, U.S. Army (Ret.), is an instructor with the JROTC program. He is a 21-year veteran of active duty service including Desert Storm. During his Army career as an Infantry soldier, he served as a team leader through platoon sergeant. He also completed numerous military schools, including Air Assault, Airborne, Rappel Master, Sniper, Recruiting and Drill Sergeant. SFC Trione loves competitive sports and leading the SJNMA Raiders team. He has been married to his wife Cindy since 1987. They have three children and three grandchildren.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Associate in general studies from Central Texas College; Bachelor of Science in organizational leadership from Colorado State University; 2023 recipient of the Roy R. Farrand Excellence in Teaching award

Male Resident Life

Michael Wagner

Direct Line: (262) 490-6370

Time at SJNA: Michael joined the SJN family in 2025.

Personal Summary: Five years working in a residential treatment facility for children.

Education, Accreditations, Honors/Awards, Merits, and Certificates: CPR Certified

Campus Store Manager

Michele Cram

School Nurse

Mikayla Foley

Direct Line: (262) 646-7125

Time at SJN: Mikayla joined the SJN Family in 2026.

Technology Ins.

Muhammad Basim

Email: mbasim@stjohnsnorthwestern.org

Time at SJNA: Muhammad joined the SJNA family in 2025.

Personal Summary: Basim has worked in many industries, from academia to telecommunications, pharmaceuticals, and AI. He came to Wisconsin to pursue a Master’s degree in Computer Science, focusing on AI and Machine Learning. He tutored coding at UW-Milwaukee’s Lubar School of Business as a Teaching assistant and worked on various Machine Learning and pattern recognition projects during the course of his studies. One of these projects was an AI-powered drone that searched for missing persons using their last known clothing data via Amber Alerts. He wants students to learn how to implement ideas they may have and create realistic goals and timelines to achieve them! Basim loves to interact with people from different backgrounds and cultures. He speaks 5 languages! He also loves playing video games in his free time.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor of Science in Computer Science from SZABIST Karachi, Chancellor’s honor roll… Master of Science in Computer Science from UW-Milwaukee… Graduate Certificate in Artificial Intelligence and Machine Learning from UW-Milwaukee

Aviation Instructor

Nicholas Gnan

Email: ngnan@stjohnsnorthwestern.org

Direct Line: (262) 646-7221

Time at SJN: Nick joined the SJN Family in December of 2025.

Personal Summary: Nick has 4 years of experience as a pilot. He has been a flight instructor for the last year. After completing his training, he went on to get his Instrument Instructor license. He is looking forward to sharing his enthusiasm for flying with his students. He enjoys traveling with his wife in his free time. He enjoys trying new foods and experiencing new cultures as they explore.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Certified Flight Instructor… Certified Flight Instructor – Instrument… Bachelor’s degree in Accounting and Finance from Concordia Wisconsin Mequon…

Science Instructor

Nicole Thom

Email: nthom@stjohnsnorthwestern.org

Direct Line: (262) 646-7207

Time at SJN: Nicole joined the SJN Family in 2023.

Personal Summary: Nicole has been teaching science grades 6-12 since 2019. Prior to making the decision to become a teacher, she worked in a pharmaceutical research laboratory. Nicole is passionate about providing students with a wide variety of experiences in the science classroom, favoring student-centered learning and inquiry-based activities to challenge and inspire students to face scientific phenomena in the real world head-on. With an overwhelming amount of information available at the tap of a finger, she hopes to help students to become scientifically literate critical thinkers, something they will carry with them for the rest of their lives. Nicole enjoys working with stained glass in her free time, and is also looking to build E-sports teams to compete within the state of Wisconsin during the 2023-2024 school year.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor’s Degree in Biological Sciences from UW Milwaukee | MACSTEP Teacher Certification Program

Admissions Counselor

Patti Zager

Email: pzager@stjohnsnorthwestern.org

Direct Line: (262) 646-7116

Time at SJNA: Patti joined the SJNA family in 2014.

Personal Summary: Patti is a Mom, knitter, lover of dogs and baker of cookies. Patti was a cheerleader at SJMA a few years ago and now loves being back on campus working with families, enrolling new students, and seeing old friends. She loves traveling with her daughters and spending time with her family, Patti is an accomplished hand knitter and teaches several knitting classes at Cream City Yarn.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor’s degree in political science, US history with a minor in mass communication from University of Wisconsin, Milwaukee.

Weekend RA & Student Driver

Paul Heck

Email: pheck@stjohnsnorthwestern.org

Direct Line: (262) 408-3838

Time at SJN: Paul joined the SJN Family in 2022.

Personal Summary: Paul had a 26-year career in the hotel industry. He is married and a father of 3 adult children – two boys and a girl. In his free time, he enjoys fishing.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor of Arts degree from Cardinal Stritch University. Graduated cum laude.

Student Driver

Peter Butzer

Time at SJN: Peter joined the SJN Family in 2026.

TAC Scott Johnston

Peter Harvey

Email: pharvey@stjohnsnorthwestern.org

Direct Line: (262) 646-7258

Time at SJN: Peter joined the SJN Family in 2026.

English Teacher

Preet Bhela

Email: pbhela@stjohnsnorthwestern.org

Time at SJN: Preet joined the SJN Family in 2026.

Personal Summary: Preet is a published poet who began teaching at the collegiate level and is now excited to share his excitement for all things English with St. John’s. He centers student inquiry that excites and challenges students in the classroom, all the while engaging them creatively. Preet is passionate about students’ unique perspectives and voices, seeking to create classroom environments that can bring them into the light. In his free time, you can catch him writing, reading, visiting the art museum, and gaming.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor’s degree in Creative Writing from the University of Wisconsin-Madison… Master of Fine Arts (Poetry) from the University of Maryland

Resident Life Officer

Rhinona Hardy

Science Instructor

Robert Geiger

Email: rgeiger@stjohnsnorthwestern.org

Direct Line: (262) 646-7226

Time at SJN: Robert joined the SJN family in 2020.

Personal Summary:

Robert has 23 years of teaching science in two different schools in SE WI. He has taught many different courses through the years. He enjoys his free time in the summer.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor’s degree in Horticulture from UW Madison | Master’s degree in Education from Cardinal Stritch University

Global Academy Dir.

Rudolph Lurz

Email: rlurz@stjohnsnorthwestern.org

Direct Line: (262) 646-7159

Personal Summary: Dr. Rudolph “Rudy” Lurz received his bachelor’s and master’s degrees from the University of Florida. He holds a doctorate in Administrative and Policy Studies from the University of Pittsburgh. He has taught and coached for 13 years in Florida, Virginia, and Illinois. He joined the SJNA team in August 2022 and will be teaching English. In his spare time, he enjoys writing, golfing, and exploring wineries and breweries across the country. He is married and has two young daughters.

Infirmary Nurse

Sandy Koester

Chief Academic Officer

Stephanie Ihler

Email: sihler@stjohnsnorthwestern.org

Direct Line: (262) 646-7188

Time at SJNA: Stephanie joined the SJNA family in June of 2010.

Personal Summary: Stephanie discovered her love of teaching world languages and cultures after studying, living, and working in Japan for many years. She now has over 20 years of experience as an educator, spending several years as a Japanese language teacher and as an English as a Second Language teacher before becoming an academy administrator. Stephanie enjoys the close-knit community of SJNA, getting to know all of the SJNA students and families, and providing all SJNA students opportunities for personal growth and success. In her free time, she loves spending time with her family and friends, traveling to new places, being outdoors, and watching the Michigan State Spartans during college football and basketball season.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor of Arts in Telecommunication, Michigan State University | Bachelor of Arts in Japanese Language and Culture, Michigan State University | Masters of Arts Degree in Curriculum and Instruction/English as a Second Language, Arizona State University | 2018 Roy F. Farrand Excellence in Teaching Award, St. John’s Northwestern Academies

Chief Financial Officer

Tammy Willocks

Email: twillocks@stjohnsnorthwestern.org

Direct Line: (262) 646-7124

Time at SJNA: Tammy joined the SJNA Family in 2023.

Personal Summary: Tammy has over 23 years experience as an accountant with 14 years experience working at independent schools. This is her third school.  She loves coming into new schools and helping them streamline the processes, improve their financial reporting and help manage cash flow. In her spare time she loves hiking, biking and kayaking with husband. When she is not outdoors, she is busy building miniature metal models.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor degree in Accounting and Business Administration from Regis University. Certified Public Accountant

Math Instructor

Tess Geever

Email: tgeever@stjohnsnorthwestern.org

Direct Line: (262) 646-7294

Time at SJNA: Tess joined the SJN family in 2025.

Personal Summary: Tess is an educator who studied Math Education for four years. She has completed over one hundred hours in the field observing high school and middle school classrooms, as well as completing a semester-long student teaching experience where she taught three levels of ninth-grade Algebra. Alongside being a student, Tess was also a member of her school’s Student Council of Teaching Mathematics, where she worked with future and current math teachers to learn and adopt current pedagogical teaching practices to improve student growth and outcomes in the classroom. Tess strives for a student-centered classroom environment that meets the needs of each and every student. Tess enjoys spending her time exploring new areas and new activities within Wisconsin, as well as visiting her family back in the Chicagoland area.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Bachelor’s degree in Integrated Mathematics Education from Miami University

Athletics/Alumni Spec.

Tim Shramek

Email: tshramek@stjohnsnorthwestern.org

Direct Line: (262) 646-7245

Time at SJNA: Tim joined the SJNA family in 1999.

Personal Summary: Tim has 26 years of teaching experience and is on his 25th year here at the Academy. He has taught numerous social studies courses here at the SJNA and has taught World History for 25 years to countless young men and women at the Academy. Tim was the recipient for the Roy Farrand Teacher of the Year award in 2015. Tim has coached multiple sports here at the Academy over the years as well including football, basketball, and the General’s Gym Weightlifting Club. He was also senior class advisor for 11 years and developed lifelong friendships with hundreds of Alumni over the years. Tim is married to his wife Erin and has 2 children, Sofia and John. He enjoys spending time with family and opening up his home to countless Alumni over the years.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor’s Degree in Broadfield Social Studies with History Emphasis from UW-Whitewater | Associate’s Degree from UW-Waukesha

Social Studies Instructor

Timothy Crain

Email: tcrain@stjohnsnorthwestern.org

Direct Line: (262) 646-7260

Time at SJNA: Tim joined the SJN family in 2021.

Personal Summary: Tim has 24 years of experience as a professor and administrator in higher education. He taught at Marquette University and the University of Wisconsin-Madison for 15 years before becoming the Director of the National Catholic Center for Holocaust Education at Seton Hill University in Pennsylvania. He has received numerous teaching and professional awards from both Marquette and the University of Wisconsin System, and in 2021 he began developing the curriculum for the new Prefect Academy at St. John’s Northwestern Academies. Tim enjoys working with the Prefect and Military Academy students at St. John’s, as well as spending time with his wife and three children.

Education, Accreditations, Honors/Awards, Merits, & Certifications: B.A. History, Philosophy, and Political Science from Marquette University | M.A. History from Marquette University | Ph.D. Modern European and Modern Middle Eastern History from Arizona State University | Marquette University Alumni Award for Leadership Excellence in 2015

Math Instructor

Timothy Vice

Email: tvice@stjohnsnorthwestern.org

Direct Line: 262 646-7200

Personal Summary: Tim almost 30 years of teaching mathematics, all at SJN.  Tim has taught every level of mathematics except college and AP level courses.  Tim enjoys getting to know and interact with the students on a daily basis.Tim enjoys hanging out at his house with his family along with coaching and watching football.

Education, Accreditations, Honors/Awards, Merits, & Certifications: Bachelor’s degree in Mathematics Secondary Education – University of South Dakota | Master’s degree in Mathematics Education – University of Wisconsin – Oshkosh

Content Creator

Tom Szews

Email: tszews@stjohnsnorthwestern.org

Direct Line: (262) 646-7122

Time at SJN: Tom joined the SJN family in 2026.

TAC Comm. Lead Scott Johnston - Alpha Co.

Trevor Davis

Email: tdavis@stjohnsnorthwestern.org

Time at SJNA: Trevor joined the SJNA Family in 2024.

Personal Summary: Trevor enlisted in the United States Navy as an E-1 and after 24 years of service he retired with the rank of Chief Warrant Officer-3 as a Boatswain/7110. Served onboard various surface and amphibious combatant vessels. Deployed overseas for 10 tours of duty, 8 of which were to the Persian Gulf region. Other tours of duty include Navy Recruiting District Houston, TX and Navy Recruit Training Command, Great Lakes, IL. Trevor spent his time in the Navy leading, mentoring, training, and developing junior Sailors. He is excited to bring these skill sets to SJNA’s Corp of Cadets. During his leisure time Trevor enjoys cooking and spending time with his wife and family.

Education, Accreditations, Honors/Awards, Merits, and Certificates: Recipient of four Navy/Marine Corp Commendation Medals, Nine Navy/Marine Corp Achievement Medals, Global War on Terrorism Expeditionary Medal, Global War on Terrorism Medal, Armed Forces Expeditionary Medal, Two National Defense Medals, and various other unit and personal citations. Qualified to wear the Surface Warfare Officer Breast Insignia. Recipient of Commander Navy Surface Forces Leadership Award.

Director of IT

Trevor Grohall

Student Driver

Tyler Stauffacher

School Counselor

Yesenia Castro

Email: ycastro@stjohnsnorthwestern.org

Direct Line: (262) 646-7202

Time at SJN: Yesenia joined the SJN Family in 2026.

Dir. of Student Ops.

Zachary Spreitzer

Email: zspreitzer@stjohnsnorthwestern.org

Direct Line: 262-646-7250

Time at SJN: Zachary joined the SJN family in June of 2015

Personal Summary: JSSG Zachary Spreitzer joined SJN in June 2015 as a resident faculty officer for Academic OPS. He is a graduate of Watertown High School and attended University of Phoenix in pursuit of a bachelor’s in business management. He has been a member of the Wisconsin Army National Guard since February 2001. In 2003, he was mobilized to Fort McCoy for a year and a half with the 107th Maintenance Company as part of a state mobilization in support of Operation Noble Eagle. In 2009, he deployed with his unit, the 108th Forward Support Company, and the 32nd Brigade to Camp Taji, Iraq, where he performed Detainee Operations for nine months. Prior to his deployment and upon his return, he worked as a district sales representative for McKee Foods. He is currently serving with the 108th Forward Support Company as a motor transport operator.