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Our Team

Antony Rosen

Antony Rosen, M.B.Ch.B., M.S.

Antony Rosen is the Mary Betty Stevens Professor of Medicine, and professor of pathology and cell biology. He is the director of the Division of Rheumatology and the vice dean for research at the Johns Hopkins University School of Medicine, as well as the director of inHealth, Johns Hopkins’ program in precision medicine and individualized health. Dr. Rosen received his medical degree from the University of Cape Town in South Africa in 1984. After completing his internship in medicine and surgery, he pursued postdoctoral studies in immunology at the Rockefeller University in New York (1987–1990). Drawn by a desire for a deeper understanding of human inflammatory diseases, he returned to clinical medicine and was an Osler resident and rheumatology fellow at The Johns Hopkins Hospital (1990–1994). He subsequently joined the faculty at Johns Hopkins in 1995, and rose to the rank of professor in 2002. He has been director of the Division of Rheumatology since then, overseeing a substantial expansion of the division. His research focuses on autoimmunity in the rheumatic diseases, using subgroups of patients with distinct phenotypes, trajectories and specific autoimmune responses to define molecular mechanisms.

Scott Zeger

Scott L. Zeger, Ph.D.

Scott Zeger is a professor of biostatistics at the Johns Hopkins Bloomberg School of Public Health, a faculty member in the Malone Center for Engineering in Healthcare at the Whiting School of Engineering and a John C. Malone Professor. Dr. Zeger holds joint appointments in the school of public health’s departments of Epidemiology and International Health, as well as appointments in the Krieger School of Arts and Sciences and the school of medicine. 

Sheri Lewis

Sheri Lewis

Sheri Lewis manages the Health Protection & Assurance program area within the Johns Hopkins Applied Physics Laboratory’s (APL) National Health Mission Area. Lewis oversees technical aspects of a range of programs focused on better utilization of data and technology to improve the integration of health systems, global health engagement strategies, and the ability of the US to rapidly and effectively detect and respond to emerging health threats. Lewis’ teams are integral in providing data for Johns Hopkins COVID-19 dashboard.

An expert in disease surveillance, Lewis previously led APL’s program in health surveillance, working closely with U.S. and international public health communities, as well as local, state and federal entities, on the development and implementation of electronic disease surveillance systems, mobile health applications for data collection and analysis, and the development of advanced analytics for the prediction and modeling of emerging infectious diseases. This work has been particularly pertinent as the world grapples with the COVID-19 pandemic.

Lewis represents APL on the steering committees for Johns Hopkins University’s Global Health Initiative and Alliance for a Healthier World and is a member of the Board of Trustees for Howard County General Hospital. She holds degrees in Biology and Public Health.

Dean Zarriello headshot.

Dean Zarriello

Dean Zarriello is the interim chief information officer for Johns Hopkins University, Medicine.

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