Esteban Escolar, M.D., F.A.C.C., is a full-time cardiologist and Assistant Professor of Medicine at the Columbia University Division of Cardiology at Mount Sinai Medical Center. Dr. Escolar joined Mount Sinai Medical Center in July 2009 as the Director of the Coronary Care Unit. In 2010, he became the Director of the Pulmonary Arterial Hypertension Program and the Chest Pain Unit. In 2013, he was named Director of Cardiology Clinical Services.