Learn about our staff — who they are, where they're from, and the role each staff member plays in Christian Student Fellowship's ministry at the University of Minnesota.

Brad Dewing
Rebecca Lehmer
Dennis Barnett
Mary Ann Barnett
Sam Helgerson
Brad Dewing
Campus Minister / Spiritual Formation & Pastoral Care
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Brad began his ministry with CSF in the Fall Semester of 2003. As CSF's campus minister, Brad teaches at our main weekly meetings, oversees and develops our spiritual growth and pastoral care ministries. His warm personality, gift for teaching, and administrative ability are appreciated by the entire CSF ministry staff.

Brad's prior ministry experiences include the Worthington Christian Church, Church at the Crossroads (Andover), and Venture Christian Church (Brooklyn Park). Brad received his BA Pastoral Ministries from Minnesota Bible College (now Crossroads College), and his Master of Divinity Degree from Emmanuel School of Religion.

He and his wife Nancy live in New Brighton, MN with their awesome kids, Maddie, Ben, and Ethan.

Brad enjoys music, athletics, food, golf, reading and time with family and friends.
Rebecca Lehmer
Associate Minister / Community Life & Campus Life
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Rebecca joined the CSF ministry staff in June of 2004. She is one of the nicest people you'll ever meet, which works out great since she directs our community life ministries and campus life events.

Rebecca received her BA in Christian Education from Nebraska Christian College in 2001. After graduating from college, she moved to the Twin Cities and got involved with CSF as a way to find fellowship with other Christians her age. Before joining the CSF ministry staff, she served as a Children's Ministry Associate at Wooddale Church in Eden Prairie, MN.

Her interests include volleyball, reading, playing Clue, and talking about China (where she spent a year teaching English with English Language Institute). Rebecca and her husband, Jason (also a former CSFer), live in Fridley with their cat Toni.
Dennis Barnett
Associate Minister / International Student Ministry
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Dennis began his ministry as adjunct international student ministry staff with CSF the winter of 2005. Prior to that, he led ISCI (International Student Connection) for two years, and prior to that worked on staff with ISI (International Student Inc.) for seven years. Overall he and his wife, Mary Ann, have been ministering to International students for over 10 years.

Dennis received his pastor's license in 1970 and also married that year. He worked with InterVarsity Christian Fellowship at San Diego State University for two years, as well as serving in his local church. He received his Masters of Divinity degree from Asbury Theological Seminary in 1978, worked as an intern at Skyline Wesleyan, San Diego then was ordained with the Wesleyan Church in 1979. Just three months later he took his wife and two children to Australia. He pastored three church plants and one established church. He and his family returned the end of 1990, and pastored a church in Iowa. They then moved to Minneapolis where he worked as a part-time associate pastor, as well as at the Billy Graham Association prior to him becoming full-time staff with International Student ministry.

The Barnetts live in Fridley, MN and attend Living Springs Church in Spring Lake Park, MN.  Dennis enjoys backpacking, hiking the North Shore and the Boundary Waters. He likes to read, cook, swim, listen to music, interact with international students and eat international food!
Mary Ann Barnett
Ministry Assistant / International Student Ministry
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Mary Ann began her ministry as adjunct international student ministry staff with CSF the winter of 2005. Prior to that, she assisted her husband Dennis in leading ISCI (International Student Connection) for two years, and has been ministering to International students for over 10 years.

Mary Ann loves teaching, has 35 years experience as pastor's wife, and is a very gifted musician. She has a B.A. in music, plus an Education Degree as a Music Specialist with an English minor, from San Diego State University.  She and Dennis live in Fridley, MN, are the parents of two adult children, and they attend Living Springs Church in Spring Lake Park, MN.

Mary Ann loves people and enjoys teaching, bible study, creating new recipes, reading, classical music, sailing, swimming underwater, writing and entertaining friends.
Sam Helgerson
Director of Ministry & Development
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Sam began his work with Christian Student Fellowship in August, 2007. In addition to working with the staff and providing leadership, Sam is also responsible for the development and administrative aspects of CSF: Managing finances, communicating our mission and vision to individuals and churches, and enlisting their prayers, financial support, and involvement.

He is a graduate of the University of Wisconsin—La-Crosse (B.S.--English), Bethel University (M.A.--Organizational Leadership), and Capella University (Ph.D.--Adult and Post-secondary Education). In addition to his duties at CSF, he teaches organizational leadership, and works as a leadership development consultant with GreatRidge Group, Inc.

Sam is married to Kellie; he often jokes that this proves "God likes me way better than he likes her." They live in Apple Valley, MN, and have one adult daughter.




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