Skip to Main Content

Emergency Medicine Clinicians & Instructors

  • Justin Belsky

    Assistant Professor

    Dr. Justin Belsky completed his Emergency Medicine Residency at Henry Ford Hospital followed by a Research Fellowship studying sepsis at Massachusetts General Hospital. His research focus is on the early identification of sepsis through biomarkers as well as the role of Thymosin Beta 4 and Actin proteins in the pathogenesis of sepsis. 

    Dr. Belsky is the Yale site principal investigator for the clinical trial VICTAS which is a multicentered study comparing the efficacy of Vitamin C, Thiamine, and Hydrocortisone in patients with septic shock. 

  • Jessica Bod

    Assistant Professor

    Dr. Bod is the Director of Medical Student Education and the Director of the Emergency Medicine Clerkship and Sub-internship.

  • Ryan Coughlin

    Assistant Professor in Emergency Medicine; Assistant Residency Program Director, Emergency Medicine; Associate EMS Medical Director, Field Operations, Emergency Medical Services (EMS)

    Clinical Interests
    • Education
    • Emergencies
    • Emergency Medical Services
    • Emergency Medicine
    • Disaster Medicine

    Dr. Coughlin is an Assistant Professor of Emergency Medicine. He serves as Assistant Residency Program Director, Director of Residency EMS Education, and Field Operations Associate EMS Medical Director. He is also a member of of the Sponsor Hospital Area Response Physician (SHARP) Team, the only state-certified EMS physician response team in Connecticut.

    Dr. Coughlin has specific interests in tactical emergency medical support and disaster preparedness. He is an instructor with the West Hartford Police Tactical & Protective Medical Branch Cadre, providing education for CT State Police, SWAT, Marshall, Fire, and Paramedic personnel. He serves as the physician leadership on the Connecticut specialty care transport development committee, and is a member of Connecticut's Region 2 Emergency Planning Team Steering Committee (REPT-SC). He is actively creating a network of greater New Haven area law enforcement, fire, and EMS agencies with the purpose of a coordinated response plan for active shooters and other hostile events in the community.

    Dr. Coughlin has networked with EMS physicians nationally to create shared open-source fellowship education, EMS board review materials, and lecture libraries. His current research projects include challenging high-performing residents, resident-teacher feedback, mass casualty preparedness, active shooter and hostile event response, and prehospital ultrasound for dyspneic adult patients.

  • Rebekah Heckmann

    Assistant Professor

    Rebekah Heckmann, MD, MPH, MPA is an Assistant Professor in the Department of Emergency Medicine at the Yale School of Medicine. She is also a Research Scientist at the Yale Center for Outcomes Research and Evaluation and serves as the Assistant Resident Research Director for the Department of Emergency Medicine. She completed her residency in emergency medicine and served as chief resident at the University of Washington before pursuing a health policy research and translation fellowship at Brigham and Women’s Hospital. While working as an attending physician at Brigham and Women’s, she earned a master in public administration degree from the Harvard Kennedy School of Government. Dr. Heckmann has extensive experience performing health policy analysis and working within public health and global health systems. She focuses her research activities on using quantitative social science methods, including econometrics and system dynamics modeling, to design and advocate for evidence-based health policy.

  • Daniel Joseph

    Assistant Professor

    Dr. Joseph completed emergency medicine residency at LA County/USC Medical Center and fellowship in EMS and Disaster Medicine at Denver Health.  In addition to his clinical responsibilities, he is an Associate Medical Director for the Yale New Haven Sponsor Hospital EMS system.  

  • Jessica Ray


    Jessica Ray, PhD is a Human Factors researcher with a strong background in simulation for system design, analysis, and training. Her research interests focus on systems approaches to understand and support human performance and cognition in complex environments.

    Jessica holds a Masters of Science in Modeling and Simulation as well as a PhD in Applied Experimental and Human Factors Psychology from the University of Central Florida. During her graduate training she worked as a Consortium Research Fellow with the Army Research Institute's Technology-based Training Unit. Following graduate school she spent over five years as a Simulation Learning Consultant for Yale New Haven Health where her work included teaching debriefing techniques to simulation instructors, supporting teamwork and communication training, systems analysis and work process development, and design and testing of new patient care areas.