Professor of Political Science at Washington University in St. Louis

Professor at Emory University

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

Professor & Director, M.A. in American Government at Georgetown University

Assistant Professor of Politics at Pomona College

Associate professor of political science at Emory University

Co-President (West Los Angeles chapter) at National Alliance On Mental Illness

Senior Fellow at Institute for Family Studies

Professor and the School Psychology Program Coordinator at CSUS in Sacramento, CA

Executive Director (South Carolina chapter) at National Alliance On Mental Illness

Research Associate at Pew Research Center

Chief Executive Officer and Executive Vice President at American Psychological Association

Astronomer at McDonald Observatory, University of Texas at Austin

Astronomer at McDonald Observatory, University of Texas at Austin

Astronomer at McDonald Observatory, University of Texas at Austin

Astronomy at McDonald Observatory, University of Texas at Austin

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

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