Mark Lisa is the CEO of the Tenet Health Central Coast market, serving as CEO of Twin Cities Community Hospital in Templeton and Sierra Vista Regional Medical Center in San Luis Obispo. He oversees the operations of the two-hospital network.

Mark first came to the Central Coast in 2012 as CEO for Twin Cities Community Hospital; prior to that he served as CEO of Doctors Hospital of Manteca. Mark is also a Retired Lieutenant from the Medical Services Corps of the United States Navy, having served nine years as a Corpsman and Chief Hospital Corpsman and 11 years as an Officer. In addition, he served in Washington, DC, on the staff of the Navy Surgeon General.