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Leadership Team

Daniel Egan, MD
Program Director
@danjegan

Dan Egan, MD, is the third program director of the Harvard Affiliated Emergency Medicine Residency Program. Dr. Egan is a graduate of the Icahn School of Medicine at Mount Sinai and then completed his emergency medicine residency at HAEMR where he was Chief Resident and graduated in 2006. He completed an Advanced Certificate in Adult Learning and Leadership for Medical Educators at Teachers College (Columbia University). Prior to coming back to Boston, Dr. Egan worked at several sites in NYC where he was involved in residency leadership as APD and PD and most recently a Vice Chair of Education. Outside of HAEMR, Dr. Egan serves on the Board of Directors for CORD (Council of Residency Directors in Emergency Medicine) and is co-chair of the LGBTQIA+ Committee in the Academy for Diversity and Inclusion in Emergency Medicine in SAEM. He serves as a Decision Editor for Academic Emergency Medicine Education and Training. Dr. Egan is interested in all aspects of residency education and leading a program with academic and clinical rigor, attention to wellness and a supportive environment where residents can use their voices for advocacy and to promote change. Outside of medicine, Dr. Egan is an active singer and was a member of the NYC Gay Men’s Chorus for nine years before relocating to Boston and recently became a dog dad to a cockapoo, Charley.

Eric Shappell, MD, MHPE
Associate Program Director
@ericshappell

Eric Shappell, MD, MHPE is the associate program director of HAEMR and an assistant professor of emergency medicine at Harvard Medical School in Boston. Dr. Shappell earned his doctor of medicine degree from Loyola University Chicago Stritch School of Medicine and completed his residency and Medical Education Fellowship at the University of Chicago. In 2018, he earned his Master of Health Professions Education from the University of Illinois at Chicago. Dr. Shappell’s interests include medical education research, leadership, and curriculum design. He has served as chair of the Education Committee for the Council of Emergency Medicine Residency Directors and currently serves as Director of the Assessment Research Collaborative for the American College of Emergency Physicians (ACEP) Physician Evaluation and Education Review (PEER). Dr. Shappell is the editor-in-chief of EM Fundamentals, a mastery learning emergency medicine curriculum, and MD in the Black, a personal finance resource for medical trainees. Dr. Shappell has special interests in assessment, recruitment, and financial education for medical trainees.

Sangeeta Sakaria , MD, MPH
Assistant Program Director


Dr. Sangeeta Sakaria is an assistant program director of HAEMR and an attending physician at Brigham and Women’s Hospital. She was born and raised in Evansville, IN and completed both her undergraduate and medical school training at Indiana University. Between college and medical school, Dr. Sakaria was a 2nd grade bilingual elementary school teacher in the South Bronx and completed her Masters in Teaching at Pace University, with a focal in bilingual elementary education. During medical school, she took time off to complete a Masters in Public Health with a concentration in Global Health at the Harvard School of Public Health, and then completed her Emergency Medicine residency at the University of Chicago. Dr. Sakaria worked as an academic attending at University of Chicago and at various community sites for two years as faculty before moving to California and beginning her career at UC Irvine.  Dr. Sakaria has worked on global health projects in a variety of countries, including India, Kenya, Uganda, Honduras, and the Dominican Republic, in addition to pan-Latin America and Caribbean projects. She is also a flight physician and has significant experience with local and international medical transports (helicopter and fixed wing), as well as helicopter search and rescue missions in the mountains. She is particularly interested in health equity, DEI efforts in residency/faculty recruitment, and breastfeeding medicine. When not at work, Dr. Sakaria enjoys playing tennis, dancing, eating good food, and spending time with her husband, son, and their dog, Rani.

Derek Monette, MD, MHPE
Assistant Program Director

Derek Monette MD, MHPE is an assistant program director of HAEMR and an assistant professor of emergency medicine at Harvard Medical School. Dr. Monette earned his medical degree from the University of Miami Miller School of Medicine and completed his residency and medical education fellowship at HAEMR. His academic interests include clinical and simulation-based debriefing, interprofessional education, and  leadership development. He has served as faculty at the Harvard Macy Institute and the Debriefing Academy and has a strong interest in creating opportunities for residents to gain expertise in medical education. 

Carrie Commissaris, MD
Assistant Program Director

Carrie Commissaris, MD, is an assistant program director of HAEMR and attending physician at Brigham and Women’s Emergency Department. She completed her medical degree and residency training in Emergency Medicine at the University of Michigan. She completed a fellowship in Medical Education at the University of Michigan in 2022 and is currently pursuing a Master’s degree in Education of Health Professions at Johns Hopkins University.  Her academic interests include evidenced-based multimedia learning, engaging presentation design, equity in the residency recruitment process, and curriculum development.

David Peak, MD
Assistant Program Director

David Peak, MD, is an assistant program director of HAEMR and an attending physician and assistant professor of emergency medicine at Harvard Medical School and Massachusetts General Hospital. Dr. Peak completed his residency training at Boston Medical Center and completed additional training in hyperbaric medicine. He conducts research on trauma patients who develop chronic pain and post traumatic stress disorder as well as other complications. He enjoys music and sports including running, swimming and scuba diving. He also enjoys his work with the hometown New England Patriots and Boston Bruins and especially, the HAEMR residents! He lives with his wife and daughter (and their cat, Kai).