Staff Directory

Great Lakes Adult & Teen Challenge Team

Rev. Craig Harper headshot

Rev. Craig Harper

Executive Director

craig@greatlakesatc.com

Craig has served with Great Lakes Adult & Teen Challenge since 1992. A graduate of LSU with further studies at Marquette and Harvard, he is an ordained minister and has held leadership roles on national boards and in the Milwaukee community.

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Craig has been working with Great Lakes Adult and Teen Challenge since 1992. Craig obtained a Bachelor’s degree in Math and Chemistry Education from Louisiana State University in 1987. He has done graduate work at Cardinal Stritch University and Marquette Graduate School of Business. In 2007, Craig was awarded a scholarship to attend classes in the Executive Education Program at Harvard Business School. He was chosen for this opportunity by members of the Harvard Business School Club of Wisconsin and attended additional classes in 2009 and 2014, both at the business school and at Harvard’s Kennedy School of Government. Craig served on the National Teen Challenge Board of Directors and as a National Teen Challenge Regional Representative from 1996 to 2002. He is an ordained Assembly of God Minister and Nationally Appointed Home Missionary. He is past President, Vice President, and Treasurer of the Northwest Milwaukee Chamber of Commerce. He is a member of the U.S. Swimming Foundation, U.S. Golf Association, the Northshore Republicans, the Harvard Business School Club of Wisconsin, Milwaukee Rotary, and Milwaukee Rotary’s Partners in Education Committee. In 2012, Craig was appointed to the State Council on Alcohol and Other Drug Abuse by Governor Scott Walker as his appointed Designee.

Kourtney Thyrion headshot

Kourtney Thyrion

Women’s Program Director

kourtney@greatlakesatc.com

Kourtney is from the south suburbs of Chicago, IL. In 2016, she entered the doors of the Great Lakes Adult and Teen Challenge and graduated in 2017—a true testament to God’s grace in her life.

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Kourtney is from the south suburbs of Chicago, IL. In 2016, she entered the doors of the Great Lakes Adult and Teen Challenge. She graduated from the program in 2017, which is a testament to God’s grace in her life. After completing the program, she was hired as a staff to be the Dean of Women. Her heart’s desire is to help women get from where she once was to fully become the women that God intended them to be. In 2019, Kourtney married her husband, Brandon. They have two sons and a daughter. Kourtney loves seeing God move right before her eyes through the transformation that happens in women’s lives at the “Robbie Dawson Home for Women.

Carol Barbuch headshot

Carol Barbuch

Women’s Recovery Coach

carol@greatlakesatc.com

Carol is the Women’s Recovery Coach. She is originally from Saukville, WI. As a graduate of the program, Carol loves working with the ladies side by side and seeing the transformation in their lives from the first day until they graduate.

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Carol is the Women’s Recovery Coach. She is originally from Saukville, WI. As a graduate of the program, Carol loves working with the ladies side by side and seeing the transformation in their lives from the first day until they graduate. Read More In May 2021, Carol graduated from MATC with an associate’s degree in Human Services. She is certified as a Mental Health Coach and a member of the American Association of Christian Counselors. She is continuing her education at UWM to obtain a bachelor’s degree in Social Work. Carol has two daughters.

Melanie Leitinger headshot

Melanie Leitinger

Education Director

mel@greatlakesatc.com

Melanie first came to Great Lakes Adult & Teen Challenge as a student, later completing the program in Nashville in 2001. She returned in 2008 and has served in many roles over the years.

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Melanie was a student at Great Lakes Adult and Teen Challenge at the very beginning. She went on to complete the program at Nashville Adult and Teen Challenge in 2001. After graduation, she attended Bible school at Teen Challenge Ministry Institute in Jacksonville, FL in 2007. Read More She was hired at Great Lakes Adult and Teen Challenge in Milwaukee in 2008. She also holds associate’s degrees in both accounting and early childhood education. Melanie has worked in many roles here over the years! She has done accounts receivable, women’s program staff, merchandising manager at SuperThift, and most recently the Education Coordinator. She has a heart service and always gives her best to the students. 

Krystle Pierce headshot

Krystle Pierce

Special Events Coordinator

specialevents@greatlakesatc.com

Krystle is from Fond du Lac, WI, and a proud mother of three boys. She completed the Great Lakes Adult & Teen Challenge program in 2022 and now serves as Special Events Coordinator while studying Event Management at MATC.

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Krystle is from Fond du Lac, WI and is the proud mother of three boys. She completed the one-year program at Great Lakes Adult and Teen Challenge in 2022. After graduation, she continued to complete the one-year Emerging Leader Program in 2023. Today Krystle is our Special Events Coordinator and is attending MATC, working towards her degree in Event Management. From overcoming challenges to celebrating successes, Krystle attributes all achievements to the grace and guidance of God. She endeavors to serve others with compassion and kindness.

John McFarland headshot

John McFarland

Men’s Program Coordinator

John grew up in Southwest Wisconsin and battled a twenty-year addiction before entering Great Lakes Adult & Teen Challenge in 2023. After graduating and attending Bible School in California, he returned to serve on staff.

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John grew up in Southwest Wisconsin. As a young person he struggled with finding his identity. Seeking happiness in friendships led John into a twenty-year addiction to crystal methamphetamine. This greatly altered every area of his life. At 39 I heard God tell me to submit to Him and seek help. On February 2nd, 2023 he entered the doors of Great Lakes Adult and Teen Challenge. Over the next year I learned about forgiveness, reconciliation, redemption, and most of all restoration. After graduation I attended Bible School at Teen Challenge Ministry Institute in Southgate, California. After graduation I came back to serve here at Great Lakes Adult and Teen Challenge.

Enny

Enny Vang

Intake Coordinator

Originally from Rochester, MN, Enny moved to Milwaukee in 2025. She earned a B.S. in Biblical Counseling from Spurgeon College and began serving at Great Lakes Adult & Teen Challenge shortly after.

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Enny is married to her husband, Emanuel, and graduated from Spurgeon College on December 5, 2025. She plans to use what she has learned to help point hurting people to Christ through the Word of God.

Justin

Justin

Intern Direct Care Staff

Justin is a graduate of the Great Lakes Adult & Teen Challenge program and now serves as an intern in direct care.

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After years of addiction that led to homelessness, incarceration, and broken relationships, Justin experienced life transformation through God’s grace while in the program. Today, he walks in restored faith, renewed family relationships, and a deep passion to support others as they pursue freedom and lasting life change in Christ.

Brian

Brian Rummel

Social Enterprise Coordinator

Brian is originally from the western suburbs of Chicago and is a graduate of Adult & Teen Challenge.

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After graduating from the program, Brian desired to continue serving the Lord by helping others build their relationship with Him and overcome addiction. Brian enjoys all the outdoors Wisconsin has to offer.

Rebecca

Rebecca Thurman

Floor Manager – SuperThrift

Rebecca is originally from Sheboygan, WI and came to Adult & Teen Challenge in March of 2021.

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She completed the program in 2022 and continued into the Emerging Leaders Program, later serving as direct care staff at the women’s center. Rebecca now serves as the Floor Manager at SuperThrift. She is grateful for the opportunities God has provided through Great Lakes Adult & Teen Challenge and loves witnessing transformation and character development in the lives of men and women in the program.

Stephanie

Stephanie Zakroczymski

Bookkeeper

Stephanie is from Lake County, Illinois and has been married for 20 years.

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Her husband is a graduate of Adult & Teen Challenge. Stephanie serves as a Deacon and Treasurer at her church alongside her husband, who is an elder. She believes that serving through this ministry allows her to follow God’s instruction, sharing that lifting up this ministry is her place of hope and gratitude.

 
 
 
 
 
 
 
 
 
 
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