OUR STRATEGY

CAYM works with churches and nonprofits to design, equip, and implement mentoring programs that fit their vision and community. By teaching evidence-based best practices in a Christian framework, we help ministries avoid “reinventing the wheel” as they start or strengthen their programs.

Our History

The Christian Association of Youth Mentoring (CAYM) formed in 2005 when fifteen mentoring leaders met to find a path to help churches and nonprofits embrace mentoring.  Our aim was to enable Christians to mentor our most vulnerable youth. Since then, we have responded to requests to expand mentoring to help any youth or young adult reach their God-given potential. Over 20,000 youth have been served by carefully screened, trained, and supported mentors.

Our Team

Donnovan Karber
National Field Director

Donnovan began working with youth through Youth Horizons in Wichita, Kansas in 1995, first in a group home and then as the manager of their mentoring program. Donnovan attended one of CAYM’s first training events. He started helping train other ministries through CAYM in 2007 and joined CAYM’s team in 2008.

Ken Merrifield
International Director

Ken Merrifield is the founder of the Appalachia Mentoring Project (AMP). Prior to establishing AMP, the Merrifields lived for ten years in Romania working with HIV positive children and planting churches. Currently, Ken serves as the International Director for CAYM. The Merrifields have six children – two of whom are adopted through international adoption and foster care.

Peter Vanacore
Executive Director

Peter has been in the mentoring field since 1981 working with juvenile offenders and children in the Child Protective Service system in New York. He moved to Massachusetts in 1997 where he helped Straight Ahead Ministries develop a national training program. He has been with CAYM since its founding in 2005.

Andrew Mahame
Rwanda Associate

Andrew coordinates mentoring for CAYM in Rwanda. He began his mentoring program with the help of CAYM materials in 2015. Since then, he is working with CAYM’s team to advance mentoring in churches in Rwanda. He is now training and coaching leaders in Rwanda to develop mentoring in their churches and communities. 

Grace Naini Kedienye
Kenya Associate

Grace Naini is the founder of Saint Paul Hub CBO. This non-for-profit organization was established to help youths in Narok County excel socially, economically, spiritually and academically through Mentoring. Narok region is majorly occupied by Maasai community, dominated by unique challenges such as, land pressure, cultural shifts, education gaps, health & infrastructure.

Grace has worked with the Government since 2015 to date, first as a Youth Development Officer (3 yrs) and a Principal of a Government Vocational Training College (2018 to date). This provided ground for ministering to youths from the community through mentoring.

April Karber
Administration

April has been with CAYM since 2016. Although her passion is acting in Shakespearian dramas, she was also a school teacher and Librarian. Because of this background, April brings considerable skills in managing and organizing to our ministry. She spends much of her time now mentoring Noel and Heidi, her daughters.

Our Board of Directors

Tony Tibshirani
Board Chairman

Tony is the Senior Director of Business Development at Nokia. He worked directly for the CEO of Space-Time Insight and prior to that was their Vice President of National Field Operations/Sales. Tony has over 30 years sales, sales management, and operational experience in the information technology industry. He is an objective thinker, rationalizing various views with an ability to turn insight into actions. Tony’s sense of service extends beyond the CAYM board; he also serves on several Christian organization boards as well as on his neighborhood HOA Board. Tony and his wife, Linda, live in California near their two daughters and three grandchildren.

Kathryn Fonville
Board Member

Kathryn Fonville is a devoted wife, mother, and mentor living in Ponte Vedra Beach, Florida. She and her husband, John, have been blessed with six children, whose ages range from 11 to 27. Kathryn holds a Master’s degree in Christian Counseling and is deeply committed to faith-based mentorship and family life.
A passionate advocate for education and community involvement, Kathryn serves on the School Board at Providence School in Jacksonville, Florida, where her children have been students since 2004. Her husband, John Fonville, is an ordained Anglican minister and serves as the pastor of Paramount Church in Jacksonville. Together, they are part of the Anglican Church in North America and are active in their church and local community.
Kathryn’s heart for mentoring was shaped from an early age by her father, the late Stuart Epperson Sr., whose legacy of compassion and outreach left a lasting imprint on her life. Alongside her mother, Nancy, Stuart welcomed underprivileged and fatherless children into their home—modeling the power of love, presence, and faith. Kathryn fondly recalls childhood memories of her father gathering neighborhood kids in a van for church, always with a stop for Krispy Kreme donuts along the way.
Today, Kathryn continues to live out her father’s legacy by investing deeply in the lives of her own children and extending that same spirit of mentorship to their friends and the broader community. She believes that the foundation of effective mentoring begins in the home and radiates outward—building stronger families, friendships, and neighborhoods rooted in faith and care.

Michael Karcher, PhD
Board Member

Michael is Associated Dean for Research and Professor of Educational Psychology in the College of Education and Human Development at the University of Texas at San Antonio. He received a doctorate in Human Development and Psychology from Harvard University (1997) and a doctorate in Educational Psychology from the University of Texas at Austin (1999). He conducts research on school-based and cross-age peer mentoring as well as on adolescent connectedness and pair counseling. He co-edited two editions of the Handbook of Youth Mentoring (with David L. DuBois) and authored the Cross-age Mentoring Program (CAMP) program, the implementation for which is described in CAMP Program Manual, Training Guide, Connectedness Curriculum, and Mentor Handbook. Most recently, he has worked with Donnovan Karber and Peter Vanacore, along with Boy with a Ball international leaders, Jamie Johnson and Anna Currie, on a tiered mentoring program for faith-based communities. The curriculum is called CAMP John, drawing inspiration from the Gospel of John, which is used in the coaching by adult of teen mentors in the CAMP Graceland model. Michael lives in his hometown of San Antonio with his wife, Sara and three children.

James Shieh
Board Member

James is a Senior Technical Program Manager at Amazon, where he leads large-scale logistics initiatives to enable robotic automation across the company’s fulfillment network. With over 20 years of experience in technology and program execution, James brings a deep understanding of operational efficiency and focus on program execution. Prior to moving to Washington state, James served as a coordinator in Minnesota, where he partnered his church with Union Gospel Mission to support after-school tutoring programs for underprivileged Hmong youth. He lives with his wife, Ellie, and their daughter on the east side of Washington state, and joined the board in 2025 with the hope of using his professional experience to help drive meaningful impact through ministry.

Joel Werdell
Board Member

Paul White, PhD
Board Member

Paul White is a Christian psychologist, speaker, and leadership trainer. He has written articles for and been interviewed by Bloomberg’s Business Week, CNN/Fortune.com, Entrepreneur.com, Fast Company, FoxBusiness.com, Huffington Post LIVE, U.S. News and World Report, and Yahoo! Finance. Dr. White is the coauthor of three books including, The 5 Languages of Appreciation in the Workplace, which has sold over 500,000 copies (written with Dr. Gary Chapman, author of the #1 NY Times bestseller, The Five Love Languages). Their Appreciation at Work training resources have been used by numerous corporations, medical facilities, schools, non-profit organizations, and government agencies, over 725 colleges and universities, and in over 60 countries. Additionally, his expertise has been requested by numerous Christian organizations including the Salvation Army, Compassion International, and Focus on the Family, just to name a few. He has been married for over 40 years and is the father of four adult children. Paul and his wife, Kathy, have been involved in small group ministry for many years.