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3rd Year Fellows


Matthew Ippolito, MD

Undergraduate: Dartmouth College
Medical School, Grad Year: Geisel School of Medicine at Dartmouth, 2011
Residency: University of California, San Fransicso, 2014

Matt is from Long Island, NY and received his undergraduate degree from Dartmouth. Before returning to the woods of New Hampshire for medical school, he worked as a travel writer and business consultant in China, and served with the Peace Corps in Ghana. He completed his internal medicine residency training at the University of California, San Francisco and moved to Baltimore for fellowship. As a dual ID-clinical pharmacology fellow, and PhD candidate at the School of Public Health, he was awarded a Malaria Research Institute grant to design and run a clinical trial of antimalarial drugs in southern Africa.

Click here to view Dr. Ippolito's Publications


Morgan Katz, MD

Undergraduate: Tulane University
Medical School, Grad Year: University of Maryland Medical School, 2011
Residency: Tulane University

Morgan grew up in Baltimore, MD and went to college at Tulane University. She came back to Baltimore for Medical School at University of Maryland and then returned to New Orleans for her internal medicine residency at Tulane University. She is interested in hospital epidemiology and infection control in the elderly. Her mentors are Geeta Sood and Khalil Ghanem. She plans to focus her career on designing interventions to reduce antimicrobial resistance in the long term care community.


Matthew Robinson, MD

Undergraduate: Northwestern University
Medical School, Grad Year: Northwestern University, 2010
Residency: New York University

Matt did his undergraduate and medical training at Northwestern University, and completed internal medicine residency at New York University. He has long been interested in global health, having worked for one year at the Chinese Center for Disease Control and Prevention in Beijing, China and serving for a year as a clinician educator in internal medicine in Gulu, Uganda at the Gulu University Faculty of Medicine. Before joining Hopkins, he has also done clinical work in Rwanda and dengue virus research in Peru. His research interests include evaluating the etiology of febrile illness in resource limited settings using conventional and novel diagnostic techniques. Matt is working with Dr. Gupta to assess the etiology of acute febrile illness in patients presenting to a hospital in Pune, India where he will soon be moving as part of a Fogarty Global Health Fellowship.

Click here to view Dr. Robinson's Publications


Jeffery Tornheim, MD

Undergraduate: Brandeis University
Medical School, Grad Year: Mount Sinai School of Medicine, 2010
Residency: Yale University

Jeff Tornheim, MD, MPH is a Clinical Fellow in the Division of Infectious Disease here at Johns Hopkins University School of Medicine.  After completing undergraduate studies in International Development and Economics at Brandeis University he moved to East Africa where he engaged in health system strengthening for returning refugees to South Sudan and worked with the Centers for Disease Control and Prevention (CDC) on the epidemiology of pneumonia and diarrhea in Western Kenya.  He completed a joint MD/MPH at Mount Sinai School of Medicine, with his thesis evaluating the impact of water policy on rates of pediatric diarrhea in Bolivia.  At the same time he worked at the Bureau of TB Control for the Department of Health and Mental Hygiene and was actively engaged in the operations of an East Harlem free clinic.  As a Fogarty International Clinical Scholar, he established and managed operations for a Chagas Disease treatment program in rural Bolivia.  After spending two years in Bolivia, he came back to the US to complete residencies in both Internal Medicine and Pediatrics at Yale University.