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Office of the Chief Medical Officer

Mission: to lead and support our expert faculty and staff in order to deliver the highest quality of care aligned with Brigham and Women’s Hospital ongoing efforts towards a culture of inclusion and belonging.

The Office of the Chief Medical Officer (OCMO) at Brigham and Women’s Hospital provides leadership and integration, linking all aspects of care delivery areas in ambulatory, in/outpatient services, and care continuum.

The OCMO consists of the following departments:

Our Leadership Team

Sunil Eappen, MD, MBA, Senior Vice President, Medical Affairs; Chief Medical Officer

Sunil Eappen

Dr. Eappen serves as Chief Medical Officer, where he leads key initiatives in physician recruitment and retention, medical affairs and patient care. Partnering closely with the Associate Chief Medical Officers, he focuses on developing new clinical care delivery strategies that will significantly improve efficiency, financial outcomes and, most importantly, patient outcomes.

Dr. Eappen leads efforts focusing on integration between Brigham and Women’s Hospital and Mass General Brigham clinicians, pharmacy management, and nurturing a culture of professionalism that extends beyond physicians and nurses to all Brigham and Women’s Hospital staff.

Dr. Eappen joined BWH on July 16, 2018, from Massachusetts Eye and Ear Infirmary, where he most recently served as the Chief of Anesthesiology and the Chief Medical Officer. He was previously the Medical Director of the Operating Rooms at Massachusetts Eye and Ear Infirmary. In these roles at the Mass Eye and Ear, he managed the Medical Staff Office and the pharmacy as well as leading the Quality and Patient Experience Programs.

He earned his bachelor’s degree in mathematics and computer science from the University of Illinois at Urbana- Champaign, his MD from the University of Chicago’s Pritzker School of Medicine and an MBA from the Yale University School of Management. He completed his residency in anesthesiology at the Brigham and Women’s Hospital.

Dr. Eappen has numerous published articles and is national speaker on the utility of surgical checklist implementation in order to reduce surgical complications, optimizing OR efficiency, and change management. In addition to serving as CMO, Eappen is also an Associate Professor of Anesthesia at Harvard Medical School.

Scott Lewis Schissel, MD, PhD, Chief Medical Officer, BWFH

Scott Lewis Schissel

Dr. Scott Lewis Schissel is the Chief Medical Officer at Brigham and Women’s Faulkner Hospital and a physician at Brigham and Women’s Hospital (BWH). He is also a part-time instructor in medicine at Harvard Medical School.

He received his medical degree from the Columbia University College of Physicians and Surgeons. He then completed a residency in internal medicine and a fellowship in pulmonary and critical care medicine at BWH. He is board certified in critical care medicine, internal medicine and pulmonary disease.

Dr. Schissel’s clinical research examines a wide variety of pulmonary diseases and abnormalities, including lung fibrosis, pulmonary hypertension and dyspnea. He has authored over 20 peer-reviewed publications, has received funding from the National Institutes of Health, and has been named to the annual list of the Best Doctors in America.

Charles Morris, MD, MPH, Deputy Chief Medical Officer

Chuck Morris

Charles A. Morris, MD, MPH, is the Deputy Chief Medical Officer at Brigham and Women's Hospital. Dr. Morris has served as the program director for the Division of General Medicine Primary Care Residency and as the Associate Medical Director of Primary Care, both in the Department of Medicine.

He has practiced primary care and hospital-based medicine at BWH and has been the Medical Director for Brigham Circle Medical Associates. Morris has led several quality improvement and population health initiatives. He directly oversaw the creation of and operations for an ambulatory population management program that advanced quality of care for several thousand BWH patients with chronic disease. He has held several important leadership positions and is an active teacher of clinical medicine in the ambulatory clinics and inpatient wards.

He is a graduate of Princeton University and Case Western Reserve School of Medicine, after which he completed a residency in Internal Medicine at BWH, where he also served as chief medical resident. He obtained his Masters in Public Health from the Harvard School of Public Health. He joined the faculty at BWH in 2002, and is an assistant professor of Medicine at Harvard Medical School.

Karl R. Laskowski, MD, MBA Associate Chief Medical Officer

Karl Laskowski headshotAs Associate Chief Medical Officer, Dr. Laskowski is responsible for clinical leadership of Brigham and Women’s Hospital ambulatory enterprise, coordinating efforts to improve access, efficiency, quality and value.

Previously, he held several leadership roles at the Brigham and Women’s Physicians Organization (BWPO), focusing on population health, process improvement, and innovation. Dr. Laskowski maintains an active general internal medicine practice, and is a graduate of Yale University School of Medicine and Harvard Business School.


Claire-Cecile Pierre, MD, Associate Chief Medical Officer 

Claire-Cecile Pierre

Dr. Claire-Cecile Pierre is the Associate Chief Medical Officer and Vice President of Community Health at Brigham and Women’s Hospital. Trained in Internal Medicine at the Cambridge Health Alliance and Board Certified in Clinical Informatics, Dr. Pierre holds decades of experience in the use of technology to improve the quality of care in community health centers. With a career focused on health equity, Dr. Pierre seeks to encourage healthcare innovations that appropriately center and value the expertise of patients and communities. Dr. Pierre also holds decades of experience in global health focusing on health systems strengthening after disasters. She has responded to multiple outbreaks, including HIV, Cholera, Zika and COVID 19.

She previously served as the Chief Medical Officer of Harbor Health Services, a community health network with locations in multiple towns from Boston to the Cape of Massachusetts. She has worked at Partners in Health, the World Bank and Babson College. She is an instructor in medicine at Harvard Medical School.

Chris Gilligan, MD, MBA, Associate Chief Medical Officer of Peri-operative and Peri-procedural Services

Chris GilliganDr. Gilligan serves as the Associate Chief Medical Officer of Peri-operative and Peri-procedural services. In this role, Dr. Gilligan holds oversight into the professional clinical activity, driving and implementing performance improvement changes, and enhancing operational excellence, quality, and patient safety.

Additionally, Dr. Gilligan is the Director of the Brigham Spring Center. Until he took on the Associate Chief Medical Officer role, he served as Chief of the Division of Pain Medicine, and Vice Chair for Strategy for the Department of Anesthesiology.

He trained at both BWH and MGH, holds a medical degree from Yale University School of Medicine, and both a Master of Business Administration degree and a Bachelor of Arts degree from Harvard University.

Mallika Mendu, MD, Executive Medical Director of Clinical Operations

Mallika MenduMallika Mendu, MD, MBA is Executive Medical Director of Clinical Operations for Brigham and Women’s Hospital, in the Office of the Chief Medical Officer. Dr. Mendu is also a practicing nephrologist and Associate Medical Director of Mass General Brigham Population Health Management. She received her MD and MBA degrees from the Yale School of Medicine and Yale School of Management. During her internal medicine residency at Brigham and Women’s Hospital, she was involved in the Medicine Management Leadership Track and developed an interest in addressing system-level deficiencies in quality and care delivery by implementing innovative interventions. She pursued nephrology fellowship at Brigham and Women’s and Massachusetts General Hospital. Dr. Mendu’s administrative responsibilities are focused on care continuum management and inpatient operations. Her research efforts relate to care delivery innovation, quality and safety and population health.

Laura Smith, MD, Medical Director of Clinical Operations

Laura Smith headshotLaura Smith, MD is the Medical Director of Clinical Operations for Brigham and Women’s Hospital in the Office of the Chief Medical Officer. Dr. Smith is also a practicing hospitalist. She joined Brigham in 2012 as a resident in Internal Medicine and joined the faculty in 2015 in the Division of Hospital Medicine.

In her role as Medical Director for Clinical Operations, Dr. Smith is responsible for shaping and implementing Brigham and Women’s Hospital strategies that involve clinical and operational collaboration and integration between the hospital administration and the clinical departments or cross-cutting multidisciplinary or cross-department initiatives that serve the Brigham and Women’s Hospital mission. 


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