• Benjamin Bradlow, Assistant Professor of Sociology and International Affairs
• Christopher F. Chyba, Dwight D. Eisenhower Professor in International Affairs; Professor of Astrophysical Sciences
• Navroz K. Dubash, Professor of Public and International Affairs and the High Meadows Environmental Institute
• Alexander Glaser, Professor of Mechanical and Aerospace Engineering and International Affairs, Princeton School of Public and International Affairs; Co-Director, Program in Science and Global Security
• Andy Guess, Associate Professor of Politics and Public Affairs
• Denise L. Mauzerall, William S. Tod Professor of Civil and Environmental Engineering and Public and International Affairs; Director of Graduate Studies, Princeton School of Public and International Affairs' Ph.D. Program
• Jonathan Mayer, Associate Professor of Computer Science and Public Affairs
• Michael Oppenheimer, Albert G. Milbank Professor of Geosciences and International Affairs and the High Meadows Environmental Institute; Director of the Center for Policy Research on Energy and the Environment
• Wei Peng, Assistant Professor of Public and International Affairs and the Andlinger Center for Energy and the Environment
• Eric Tate, Professor of Public Affairs
• Elke U. Weber, Gerhard R. Andlinger Professor in Energy and the Environment; Professor of Psychology and Public Affairs; Faculty Advisor, STEP Certificate Program
• David S. Wilcove, Henry W. Putnam Professor of Ecology and Evolutionary Biology and Public Affairs and the High Meadows Environmental Institute

• Filiz Garip, Professor of Sociology and Public Affairs
• Bryan T. Grenfell, Kathryn Briger and Sarah Fenton Professor of Ecology and Evolutionary Biology and Public Affairs
• Jesse Jenkins, Associate Professor of Mechanical and Aerospace Engineering and the Andlinger Center for Energy and the Environment * 
• Aleksandra Korolova, Assistant Professor of Computer Science and Public Affairs
• Simon A. Levin, James S. McDonnell Distinguished University Professor in Ecology and Evolutionary Biology * 
• C. Jessica E. Metcalf, Professor of Ecology and Evolutionary Biology and Public Affairs
• Anu Ramaswami, Sanjay Swani ’87 Professor of India Studies; Professor of Civil and Environmental Engineering, the Princeton Institute for International and Regional Studies, and the High Meadows Environmental Institute. Director, M.S. Chadha Center for Contemporary Global India * 

Note: Faculty with an asterisk (*) do not have an appointment in SPIA and therefore can only serve as co-advisors for STEP doctoral students. They cannot serve as the primary or sole advisor to students or independently admit students into the SPIA PhD program.