Associate Professor of Medicine, Division of Infectious Diseases at University of North Carolina CH, School of Medicine

Professor or Microbiology and Infectious Diseases at Boston University, School of Medicine

Professor & Chief, Division of Infectious Diseases at University of North Carolina CH, School of Medicine

Professor of Global Health at Boston University, School of Medicine

Interim Dean, Tufts University School of Medicine; Chief Academic Officer, Tufts Medicine; Infectious Disease Physician, Tufts Medical Center at Tufts Medical Center

Associate Professor of Medicine, Division of Infectious Diseases at University of North Carolina CH, School of Medicine

Associate Professor of Emergency Medicine at Boston University, School of Medicine

Adjunct Professor, Department of Microbiology & Immunology at Georgetown University, School of Medicine

Assistant Professor, specialized in vaccines at Yale University School of Medicine

Associate Professor of Medicine at Cornell University, Weill School of Medicine

Professor, Medicine at Case Western Reserve University, School of Medicine

Director - Georgetown COMPASS, Tenure Line - Professor (Infectious Diseases) at Georgetown University, School of Medicine

Dean of Research and Research Professor at Keck Graduate Institute

Chair of Obstetrics and Gynecology at Cornell University, Weill School of Medicine

Senior Fellow and Director, Middle East Security Program at Center for a New American Security

Nonresident Senior Fellow in Carnegie’s Nuclear Policy Program at Carnegie Endowment for International Peace

Member of the Board at Harvard Belfer Center for Science and International Affairs

Professor at Middlebury Institute of International Studies at Monterey in Monterey, CA

Professor of International Affairs, National Security Department at University of New Haven

Co-Director Nuclear Policy Program at Carnegie Endowment for International Peace

Distinguished fellow & former president at Carnegie Endowment for International Peace