Leadership Cornerstone

Nathan Busenitz

Elder, Pastor

Nathan Busenitz began teaching at The Master’s University in 2000 as an adjunct faculty member in the communication department. From 2003–2009, Nathan served as a full-time member of the pastoral staff at Grace Community Church. In 2008, he began teaching historical theology at The Master’s Seminary, and became a full-time faculty member in 2009. He currently co-pastors the Cornerstone fellowship group at Grace Church. Nathan and his wife, Beth, have four children.

Hohn Cho

Pastor

Hohn was radically converted in 2004 while working as a lawyer in the entertainment industry. He immediately joined Grace Church and has ministered in the Foundry, Crossroads, and now Cornerstone and Grace Advance. Hohn earned his undergraduate and law degrees from University of California, Berkeley, and works as a transactional/M&A attorney. He married his wonderful wife, Heather, in 2012, and they have two beautiful daughters, Abigail and Elizabeth.

Mark Tatlock

Elder, Pastor

Prior to being appointed to his full-time role with TMAI, Dr. Tatlock served as Executive Vice President and Provost of The Master’s University. Mark brings 17 years of executive administrative experience to TMAI, and has been active in theological training for cross-cultural ministry within urban and international contexts. He is eager to invest in strengthening TMAI’s development and academic divisions. As a graduate of The Master’s Seminary, he is committed to TMAI’s theological distinctives and the priority of pastoral training. Mark and his wife Lisa have five children: Jacob, Josiah, Hope, Paul, and Olivia. Care for orphans and foster children is an area of personal concern for them both, believing that God would have His people model the amazing picture of the Gospel and of His love that is found in adoption.

Harry Walls

Elder, Pastor

Harry serves as an elder at Grace Church and as the campus pastor of The Master’s University. Before coming to California, Harry served as the senior pastor of Shades Mountain Independent Church in Birmingham, Alabama, where for twenty-seven years he shepherded and gave leadership to a church with a passion to pray, study God’s Word, and proclaim the gospel of Jesus Christ. Harry has earned degrees from Brown University, where he played football, and from Liberty University and Seminary, where he served as campus pastor while preparing for pastoral ministry. He currently serves as a pastor in the Cornerstone fellowship group. Harry and his wife, Karon, and have two children.