Mark C. Lester, MD, MBA, CPE, FAANS, FACS, FAAPL, served with Texas Health Resources (THR) for many years in several roles, most recently as Executive Vice President and Southeast Zone Clinical Leader.  Before that, Dr. Lester served in Ascension Health as Chief Medical Officer for St. Mary’s of Michigan Health.  He was previously Chief of Neurological Surgery and Vice Chair for Operations in the Department of Surgery at Lehigh Valley Hospital.

Mark has held clinical faculty appointments at Michigan State University College of Medicine, The College of Medicine at Pennsylvania State University, Drexel University, and others.  He served on the Executive Council of the Pennsylvania Neurosurgical Society.

Mark is a graduate of Cornell University and the University of Pittsburgh School of Medicine.  He received his MBA from the Wharton School, University of Pennsylvania.