Our People
Global Emergency Team
Bhakti Hansoti, M.B.Ch.B., Ph.D., M.P.H.
Director, Center for Global Emergency Care
Fellowship Director, International Emergency Medicine & Public Health Fellowship
Associate Director of Academic Program, Johns Hopkins Center for Global Emergency Care
Associate Professor of Emergency Medicine
Expertise: Implementation science; Emergency care systems; Health systems strengthening; Infectious diseases; Outbreak preparedness; Global health security; Care for vulnerable populations
Amelia Pousson, M.D., M.P.H.
Associate Director of Education, Center for Global Emergency Care
Assistant Professor of Emergency Medicine
Expertise: Point-of-care ultrasonography; Medical education; Evidence-based training; BEC master trainer; Emergency systems development; Clinician training in resource-limited settings
Teagan Lukacs, D.O., M.B.S., M.P.H.
Associate Director of Strategic Partnerships and Partner Engagement, Center for Global Emergency Care
Assistant Professor of Emergency Medicine
Expertise: Emergency care capacity building; Health systems development; Program design & implementation; Strategic planning; Stakeholder engagement; Curriculum development; Monitoring & evaluation; Implementation science; Emergency, critical care, and sepsis education in LMIC settings
Valerie Osula, M.D., M.P.H.
Associate Director for Workforce Development, Center for Global Emergency Care
Assistant Professor of Emergency Medicine
Expertise: Emergency care capacity building in low-resource settings; BEC master trainer; Health systems strengthening
Jonathan Dyal, M.D., M.P.H.
Associate Director for Global Health Security, Center for Global Emergency Care
Assistant Professor of Emergency Medicine
Expertise: Epidemiology of emerging infections; Outbreak investigation; Novel surveillance systems; Clinical management of high-consequence pathogens; Medical countermeasures; Preparedness planning; Biocontainment operations
David Rudolph, M.D.
Assistant Fellowship Director, International Emergency Medicine & Public Health Fellowship
Assistant Professor of Emergency Medicine
Expertise: HIV and STI care in ED settings; Expansion of PrEP access; Infectious disease outbreak response (mpox); Emergency care-based public health outreach
Adam David Laytin, M.D., M.P.H.
Assistant Professor of Anesthesiology and Critical Care Medicine
Assistant Professor of Emergency Medicine
Expertise: Trauma and Critical Care; Epidemiology; Clinical Outcomes; Emergency and Critical Care in Low Resource Settings; Global Health
Edbert Brian Hsu, M.D., M.P.H.
Associate Director, Critical Event Preparedness and Response (CEPAR)
Associate Professor of Emergency Medicine
Expertise: Disaster medicine; Public health preparedness; Crowd disasters; Mass casualty response; Emergency response leadership; WHO Kobe Center collaboration
Jennifer Gaver, M.S.N., R.N., FNE-A
Expertise: Emergency and trauma nursing; Forensic nursing; HIV/STD behavioral interventions; Community outreach & advocacy; Women's health; Violence prevention & response; Global nursing leadership
Madeleine Whalen, M.S.N., M.P.H., R.N.
Evidence-Based Practice Program Coordinator, Johns Hopkins Health System
Expertise: Evidence-based practice, Research and Quality Improvement
Daniel Barnett, M.D., M.P.H.
Professor, Johns Hopkins Bloomberg School of Public Health
Expertise: Public health emergency preparedness; Disaster response & recovery systems; Mixed-methods research; Health systems resilience; Workforce mental health in crisis settings; Preparedness in LMIC contexts
Gai Cole, Dr.P.H., M.B.A., M.H.A.
Chief Administrative Officer at Johns Hopkins Medicine, Department of Emergency Medicine
Expertise: Emergency operations and response systems; Mass casualty response; Telemedicine in emergency care; Health economics; Health systems resilience
Robert Sellke, M.P.H., M.S.N
Kelly Williams, M.S.N., R.N., C.P.H.Q.
Expertise: Quality improvement and patient safety in emergency care, with expertise in process improvement, sepsis care, and patient throughput optimization.
Sonya Naganathan, M.D., M.P.H.
