He holds a B.A. and M.B.A. from Baylor University. Before joining the bank in September 1988, he was associated with several large regional banks in Dallas.
Mark is active in numerous charitable and service organizations in Houston, including the boards of Junior Achievement, Child Advocates, Downtown Houston Exchange Club and Houston Area Habitat for Humanity. He is also on the executive committee of the Houston Ballet and the advisory director for Crohn's and Colitis Foundation of America, Inc.