Clinical Training and Leadership Experience

Essam Ansari, MD, MBA is a physician leader trained in internal medicine, pulmonary, and critical care medicine at Massachusetts General Hospital. He also earned a Master of Public Health from the Harvard School of Public Health, a Master of Business Administration from Boston University, and is board certified in Pulmonary Disease and Critical Care Medicine, with additional expertise as a Sleep Medicine specialist. Along the way, his work has stayed anchored in patient safety, quality of care, and patient experience, plus a strong focus on process improvement and how teams function under real pressure.

Over more than two decades, Essam has cared for patients across intensive care units, hospitals, rehabilitation facilities, and outpatient practices. In parallel, he has held multiple physician leadership roles, including ICU Director, Chief of Medicine, and Medical Director across several hospitals. These experiences deepened his interest in how healthcare systems function, why they so often fail clinicians and patients, and what it takes to build teams and operations that perform well in real world conditions.