Mazen El Sayed

Mazen El Sayed is a Clinical Professor in Emergency Medicine at the University of Maryland School of Medicine. His career integrates clinical practice, research, and leadership in emergency care systems, with a focus on trauma management and disaster response.

• B.S. in Biology (1997-2000), American University of Beirut
• M.D. (2000-2004), American University of Beirut
• M.P.H. in Health Policy & Management (2009-2011), Boston University School of Public Health
• M.H.C.M. in Health Care Management (2015-2017), Harvard T.H. Chan School of Public Health

Research interests span Emergency Medicine, EMS systems, trauma care, and disaster preparedness. His recent studies examine trauma center designation levels, EMS transportation modes, and survival outcomes in critical conditions like cardiac arrest and traumatic arrest. Publications highlight disparities in care during weekends and disasters, including the unique analysis of the Beirut ammonium nitrate explosion during the COVID-19 pandemic.

Key trends in his work include optimizing prehospital care, evaluating trauma system performance, and improving disaster response protocols through data-driven analysis.