Leadership |

Offices of The Master's Seminary

Abner Chou

President of TMUS

Nathan Busenitz

Senior Vice President & Dean of Faculty

Mark Zhakevich

Executive Director of Finance & Plant Operations

Austin Duncan

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

Kevin Zuber

Chief Academic Officer

Jade Greenfield

Chief Development Officer

Corey Williams

Chief Communications Officer

Joey Mejia

Chief Marketing Officer

Board of Directors

Jonathan Rourke

Chairman of the Board

Read Bio

Jonathan Rourke

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, Catherine, have been married for 20 years, and have four children. Jonathan has served on the TMU board since 2015.

Scott Ardavanis

Board Member

Read Bio

Scott Ardavanis

Board Member

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 35 years and have 7 children and 9 grandchildren. Scott has served on the board since 2017.

Brad Armstrong

Board Member

Read Bio

Brad Armstrong

Board Member

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

Matt S. Gilbert

Board Member

Read Bio

Matt S. Gilbert

Board Member

Matt Sakiestewa Gilbert is Professor and Head of American Indian Studies and Professor of History at the University of Arizona. After graduating from The Master’s University in 1999, Matt received an M.A. in theology from Talbot School of Theology, and an M.A. and Ph.D. in history from the University of California, Riverside. He has published extensively on American Indian education and sport. He and his wife Kylene—also a TMU alum—have four children. Matt joined the TMUS board in 2021.

Bryan Hughes

Board Member

Read Bio

Bryan Hughes

Board Member

Bryan Hughes is the Senior Pastor of Grace Bible Church in Bozeman, MT, where he has served for the past 39 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 TMU board since 2000.

Jesse Johnson

Board Member

Read Bio

Jesse Johnson

Board Member

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). Currently he is doing Ph D. research at Christ College, Sydney. 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. His most recent book, City of Man, Kingdom of God, examines how Christians should relate to government. He and his wife, Deidre (also a TMU graduate) live with their three daughters in Washington, D.C. Jesse has served on the board since 2015. You can follow his writing at thecripplegate.com.

Felix Martin del Campo Jr.

Board Member

Read Bio

Felix Martin del Campo Jr.

Board Member

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.

Robert Provost

Board Member

Read Bio

Robert Provost

Board Member

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

Board Member

Read Bio

George Sanders

Board Member

George Sanders practices plastic surgery in Los Angeles. Born and raised in Southeast Texas, George attended Harvard Medical School and 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 and taught biblical counseling, the premarital class, and also gave 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 and entertain. George has served on the board since 2007.

David van Wingerden

Board Member

Read Bio

David van Wingerden

Board Member

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 TMU 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.

David Wismer Sr.

Board Member

Read Bio

David Wismer Sr.

Board Member

Dr. David Wismer Sr. is a retired businessman in Colorado Springs, CO.

George Lawson

Board Member

Read Bio

George Lawson

Board Member

George Lawson is the Teaching Pastor at Baltimore Bible Church. George is a graduate of The Master’s Seminary as well as Washington Bible College. He began his pastoral ministry at Hope Bible Church, in Columbia Maryland, before he and a team planted Baltimore Bible Church. George blogs on thecripplegate.com, and is currently pursuing a Ph. D. program at Baptist Bible Seminary. He and his wife Jennifer have two daughters and one son. George joined the TMUS board in 2021.

Our Leadership

Offices of The Master's Seminary

Abner Chou

Nathan Busenitz

Mark Zhakevich

Austin Duncan

Kevin Zuber

Jade Greenfield

Corey Williams

Joey Mejia

Board of Directors

Jonathan Rourke

Jonathan Rourke

Chairman of the Board

Scott Ardavanis

Scott Ardavanis

Board Member

Brad Armstrong

Brad Armstrong

Board Member

Matt S. Gilbert

Matt S. Gilbert

Board Member

Bryan Hughes

Bryan Hughes

Board Member

Jesse Johnson

Jesse Johnson

Board Member

Felix Martin del Campo Jr.

Felix Martin del Campo Jr.

Board Member

Robert Provost

Robert Provost

Board Member

George Sanders

George Sanders

Board Member

David van Wingerden

David van Wingerden

Board Member

David Wismer Sr.

David Wismer Sr.

Board Member

George Lawson

George Lawson

Board Member