Astronomy at McDonald Observatory, University of Texas at Austin

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

Professor, Arizona State University, School of Earth and Space Exploration in Phoenix, AZ

Astronomer at McDonald Observatory, University of Texas at Austin

Professor of Global Health at Boston University, 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

Board Member at Doctors Without Borders

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

Assistant Professor at Vanderbilt University

Professor at Emory University

Professor | Department of Communication Studies at UCLA

Professor of psychology and psychiatry at Emory University

Assistant Professor of Politics at Pomona College

Associate Professor of Political Science at Washington University in St. Louis

Co-Director, Center for the Study of Democratic Institutions at Vanderbilt University

Director, Research on Individuals, Politics & Society Lab at Vanderbilt University