Senior Vice President
Dean of Faculty

Executive Director of Finance and Plant Operations

Executive Director of The MacArthur Center for Expository Preaching
Chair of the Doctor of Ministry Program


Chief Academic Officer

Chief Development Officer

Chief Communications Officer

Board of Directors

Scott Ardavanis is the Senior Pastor of Grace Church of the Valley in central California. Scott began his pastoral ministry at Grace Community Church with John MacArthur and also spent seventeen years as a senior pastor in Chicago and California. He is an adjunct professor at The Master’s Seminary. Scott is a featured speaker at Bible and pastors conferences around the world. He also serves as a board member for Sufficiency of Scripture Ministries, which impacts lives in Uganda with sound Biblical teaching. Scott earned his degrees at Los Angeles Baptist College (now TMU), B.A., The Master’s Seminary, M.Div., and Trinity Evangelical Divinity School, D.Min. Scott and his wife, Patty, have been married 31 years and have 7 children and 3 grandchildren. Scott has served on the board since 2017.

Brad Armstrong is a businessman who lives in Thousand Oaks, CA. He has served on the board since 2015.

Felix Martin del Campo Jr. is a dentist in Visalia, Calif. He attended USC for his undergraduate work and then graduated from the UCLA School of Dentistry. Felix also serves on the board with Samaritan’s Purse and has served for more than four decades with World Medical Missions. Alongside 800 other doctors, he goes around the world to relieve long-term missionaries on furlough. His specialty is designing and setting up state-of-the-art mobile dental clinics. North Korea and Siberia, among other countries, have benefited from such ministries. He enjoys photography in his spare time and has been married to his wife, Janet, for 46 years. Felix has served on the board since 1992.

Hohn Cho is Vice President, Assistant General Counsel at CytomX Therapeutics, a biotechnology company that develops antibody treatments for various types of cancer. After graduating from University of California, Berkeley Law in 1995, he has worked in a variety of private firms that focus on technology and medicine. Hohn is an elder at Grace Community Church in Sun Valley, California, where he provides oversight for the Foundation singles ministry. He and his wife Heather have three children. Hohn joined the TMUS board in 2021.

Richard Dewey is a professor of neurology at UT Southwestern Medical School in Dallas. He earned a BA from Duke University and an MD from Baylor College of Medicine. He completed his neurology residency and fellowship at Mayo Clinic in Rochester, Minn. and is board certified in neurology. He has published over 100 articles in scientific journals, and his work includes direct patient care, teaching of students and residents, and research in Parkinson disease. Dr. Dewey is an elder at Countryside Bible Church in Southlake, TX where he is also a leader in the home fellowship ministry. His hobbies include hiking and computers. Richard has served on the board since 2016.

Matt S. Gilbert is a professor at the University of Arizona. He is also head of the school’s department of American Indian studies. After graduating from The Master’s University in 1999, Matt received a M.A. and a Ph.D. in history from the University of California at Riverside. He has written several books on the Hopi Tribe of Southeastern Arizona. He and his wife Kylene—also a TMU alum—have four children. Matt joined the TMUS board in 2021.

Bryan Hughes is the Senior Pastor of Grace Bible Church in Bozeman, MT, where he has served for the past 35 years. He earned his BA from Moody Bible Institute in Chicago, his Master of Arts from Western Seminary in Portland, Oregon and his D.Min. from Trinity Theological Seminary in Newburgh, Indiana. Bryan has taught at Bible colleges in Ukraine, Tanzania and Siberia, as well as classes in Albania, Russia, Turkey, Ethiopia, Poland, and Italy. He is the author of 8:28 – Unlocking God’s Promise and Jesus’s Teaching on the Last Days. He presently serves on the faculty of Montana Bible College in Bozeman. Bryan enjoys hunting, reading, and playing basketball. He and his wife, Bev, have three grown children and three grandchildren. Bryan has served on the board since 2000.

George Jackson is a businessman who lives in Kingsburg, CA. He has served on the board since 2015.

Jesse Johnson is the Teaching Pastor at Immanuel Bible Church in Northern Virginia. He is a graduate of The University of New Mexico (B.A. in Sociology and Spanish), as well as The Master’s Seminary (M.Div., Th.M. in Systematic Theology). Prior to joining the board, Jesse taught theology at The Master’s Seminary, and before that at Christ Baptist Seminary in Polokwane, South Africa. Jesse has been an editor and contributor for numerous publications and books including Men of the Word and Right Thinking in a World Gone Wrong. He and his wife, Deidre, live with their three daughters in Washington, D.C. Jesse has served on the board since 2015.

Chairman of the Board

Jonathan Rourke has served as the senior pastor at Tri-City Bible Church in Vista, California since 2011. He is a graduate of The Master’s Seminary (M.Div., Th.M.), and served on staff at Grace Community Church for ten years. Jonathan and his wife, Katherine, have been married for 20 years, and have four children. Jonathan has served on the TMU board since 2015.


Robert Provost is the President Emeritus of Slavic Gospel Association. He lives in Loves Park, IL and has served on the board since 1994.

George Sanders practices plastic surgery in Los Angeles. He was born and raised in Southeast Texas. George attended Harvard Medical School then completed his general surgery training and plastic surgery residency at UCLA. George is privileged to have served as an elder at Grace Community Church since 2000. He teaches biblical counseling, a premarital class and also gives oversight to international missions. George and his wife, Anna, are certified in biblical counseling and often counsel together. In their spare time they love to serve in ministry together as well as travel, entertain, and just “hang out.” Both of their adult children are married, live close and are a major part of their lives. George has served on the board since 2007.


Dr. David Wismer Sr. is a retired businessman in Colorado Springs, CO. He has served on the TMUS board since 1993.

David van Wingerden is the COO of Express Seed Company in Ohio, which acquires plants globally to sell to businesses in North America. He is a husband and father of five. Three of his children have attended TMU. He and his wife, Keri are 1995 alumni of MU and he has a degree from both the Business and Bible Departments. After graduating, he and Keri spent time in Ethiopia as missionaries with Double Harvest before joining the family business back in Ohio. He is a long-time member and deacon of Grace Church of North Olmsted. David has been a member of the TMUS board since 2021.