BOARD OF DIRECTORS
DONN & KAREN DAVIS - RETIRED - MENTOR COUPLE
(DONN - PRESIDENT)
Donn and Karen are original members of Great Marriages dating back to 2005. They re-joined Great Marriages in 2018 after doing marriage ministry through their local church for many years. Donn and Karen are both retired from a career in law enforcement. They are certified life coaches through the American Association of Christian Counselors. They married in 1986, and have two grown children. Donn enjoys working with electronics, while Karen plays piano and does the outdoor stuff of landscaping. They love traveling, sight-seeing, and taking walks.
PAUL & SAMANTHA FREDELAKE - DIRECTOR OF FINANCE - CORPORATE CONTROLLER, REGAL WARE
Paul and Samantha Fredelake joined the Great Marriages board in 2021. They were part of a campus ministry together while attending UW-Milwaukee and were married in 2005. After experiencing the benefits of mentorship early in their own marriage, Paul and Samantha started a young-marriage ministry in their church where they continue to teach and mentor recently married couples. In addition to their careers and ministry, they enjoy the outdoors and spending time with their three children.
WINTER KOHLER WILHELM - DIGITAL MARKETING & EVENTS COORDINATOR - GREAT MARRIAGES
(SECRETARY)
Winter is a graduate of the University of Wisconsin - Milwaukee with a degree in Sociology, and is certified in Human Resources and Event Planning. In her time before Great Marriages she gained extensive service industry and event planning experience. Before becoming a full time staff member at Great Marriages she volunteered planning their banquets, and joined the team officially in December of 2015. Winter serves as Community Relations Director and secretary of the board for Terry Kohler Family Foundation. She married her best friend Mike in July of 2019. In her free time she enjoys reading, decorating, and hiking.
JEFF OONK - PRINCIPAL CPA - CLIFTON LARSON ALLEN
(TREASURER)
Jeff lives in his hometown of Oostburg with his wife Tricia and their two children. He is a Principal at CliftonLarsonAllen working as a CPA. During his free time he enjoys serving in several different serving teams at church, spending time with family and friends, and golfing.
MARISSA JENSEN PRENTICE - CONSULTANT / OWNER - PRENTICE EMOTIONAL HEALTH CONSULTING
(VICE PRESIDENT)
Marissa, wife of nearly 12 years to Jeff, is an entrepreneur, emotional health consultant, and homeschooling mother of three to Smith, Ford, and Wilder Anne. A Sheboygan native, she earned her degree from UW-Stevens Point before furthering her education at Bethel School of Supernatural Ministry in Redding, CA. She later trained extensively in emotional health consulting through The Compassion Method™ and now works taking private clients, helping them navigate emotional healing and personal growth.
She and her husband have spent the past few years working with pre-marital and married couples, offering guidance and support to strengthen relationships and keep families whole. Passionate about faith, family, and emotional health, she is excited to help bring strong marital resources to Sheboygan County. In her free time, she enjoys traveling, being outdoors, and spending time with close friends.
JENNY TANCK - OWNER - WELLNESS WITH JENNY TANCK
Jenny Tanck joined the Board in 2026 and is wife to Trevor Tanck for 10 years, a homeschool mom to Micah (7) and Chelsey (4), fitness coach, and wellness business owner. Jenny earned her undergraduate degrees in nonprofit management and communication from Lakeland College in 2014.
Jenny and Trevor got married in August 2016 and quickly leaned into their vows when Jenny was diagnosed with Multiple Sclerosis in January 2017.
Jenny is excited to bring life experience and a lot of heart to our Sheboygan community through Great Marriages.
In her free time, Jenny enjoys time with family and friends, travel, and hiking. (She's hiked the Yosemite half dome and Grand Canyon rim to rim in a day!)
THANK YOU FROM OUR BOARD OF DIRECTORS
CHARITY WOLF - CERTIFIED PERSONAL TRAINER
Charity is a graduate of the University of WI Oshkosh with a degree in Exercise Science and Health Promotion, and is a certified Personal Trainer as well as Group Fitness Instructor. She was voted onto the Great Marriages board in 2025 and has taken part in their couples mentoring program, various marriage-strengthening program offerings, as well as their annual fundraising events. Charity enjoys spending her time working part-time at Creekside Chiropractic Center, teaching group fitness classes at the YMCA, and working at the local bar/restaurant ‘Scenic Bar & Restaurant’ that she and her husband have owned since 2019. She is blessed to have a loving husband and (as of August 2025) has 4 beautiful children. In her free time she enjoys being active outdoors, spending time with family & friends, and being on the leadership team at Word of Grace church.
