Susan M. Szulewski, MD, MBA

Susan M. Szulewski, MD, MBA, is the president, chief operating officer, Rose-Marie and Eijk van Otterloo Chair of Psychiatry for McLean Hospital and vice president of Clinical Operations for Mass General Brigham Behavioral and Mental Health. A board-certified psychiatrist and physician executive, Dr. Szulewski brings more than two decades of clinical, operational, and quality leadership to her role. She previously served as chief medical officer for both McLean Hospital and Mass General Brigham Behavioral and Mental Health, where she led system-wide initiatives to improve psychiatric access, enhance quality, and strengthen engagement across multiple hospitals and care settings.

At McLean and throughout the Mass General Brigham system, Dr. Szulewski has advanced major redesign efforts in psychiatric emergency services, centralized access, and inpatient operations—initiatives that have expanded capacity, reduced emergency department boarding, and improved care integration. She is deeply committed to advancing patient-centered behavioral health care, supporting the clinical workforce, and sustaining McLean’s legacy of excellence in care, research, and education. Dr. Szulewski earned her medical degree from the University of Medical Sciences in Poznan, Poland, and her MBA from Brandeis University. She also serves on the faculty of Harvard Medical School.