Staff Directory

Staff Directory

Great Lakes Adult & Teen Challenge Team

Rev. Craig Harper headshot

Rev. Craig Harper

Executive Director

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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.

Carol Barbuch headshot

Carol Barbuch

Women’s Program Director

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Carol is the Women’s Program Director. 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 Program Director. 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

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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

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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.

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.

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.

Stephanie

Erin Berg

Women’s Direct Care

I experienced true freedom through my relationship with Jesus Christ. My life has been transformed.

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My name is Erin. I graduated the one year program and completed a 9 month internship here at Great Lakes Adult and Teen Challenge. I experienced true freedom through my relationship with Jesus Christ. My life has been transformed. I now have the privilege of serving on staff, helping others find the same hope and restoration I was given. It’s an honor to be a part of what God is doing, changing lives.

Larry Daughenbaugh headshot

Larry Daughenbaugh

Men’s Program Director

A Teen Challenge graduate from nearly 20 years ago, Larry Daughenbaugh has returned to serve as the Men’s Program Director.

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A Teen Challenge graduate from nearly 20 years ago, Larry Daughenbaugh has returned to serve as the Men’s Program Director. Larry has a heart to work with those struggling with addiction and considers it an honor and privilege to be a part of Great Lakes Adult and Teen Challenge.

Joseph Latiker

Men’s Center Direct Care Staff

Joseph is a graduate of Great Lakes Adult & Teen Challenge whose life was transformed through the saving grace of Jesus Christ after entering the program in 2022.

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Born and raised in Milwaukee, Wisconsin, Joseph spent many years caught in the cycle of street life, drug addiction, and alcoholism. His life was radically transformed through the saving grace of Jesus Christ when he entered Great Lakes Adult and Teen Challenge in 2022. It was there that the Lord set him free and began a powerful work of restoration, healing, and purpose in his life.

Joseph is a graduate of Great Lakes Adult & Teen Challenge and holds an Associate Degree in Pastoral Ministry from Rhema Bible Training College. Through both his personal testimony and ministry training, he has developed a deep passion for sharing the Gospel of Jesus Christ and helping others discover the freedom that is found in Him.

Having experienced God’s transforming power firsthand, Joseph is committed to serving others with compassion, truth, and hope. His desire is to see lives changed by the power of Christ, helping those struggling with addiction and alcoholism find lasting freedom, healing, and a renewed purpose through a personal relationship with Jesus Christ.

Tyler Schultz

Social Enterprise SuperThrift Staff Member

Tyler came to Great Lakes Adult and Teen Challenge in 2023 and found freedom in Christ after seeking help through the men’s center.

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Tyler grew up in Plymouth, Wisconsin with two brothers. He entered Great Lakes Adult and Teen Challenge in 2023 after struggling with meth, amphetamines, and alcohol. Tyler heard about Great Lakes Adult and Teen Challenge in the Sheboygan County Jail. Seeking help, he came to our men’s center and found freedom in Christ.

Tyler is a highly accomplished runner and athlete. He enjoys training, working out, and spending time with our students.

 

 
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We can help you find Brenham Christian addiction treatment centers if needed. We could also point you in the right direction for drug treatment centers. These Midwest alcohol rehab centers will specifically target alcoholism. Adult & Teen Challenge centers are long-term addiction recovery programs that are affordable, solving addictions for men in Wisconsin and Illinois, from the Chicago area, to Milwaukee and Madison, including Cudahy, South Milwaukee, Elm Grove, Butler, Brookfield, Menomonee Falls, Waukesha, Germantown, Pewaukee, Rockford.

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