John Lapinski, Ph.D., is an associate professor in the Department of Political Science at the University of Pennsylvania and Director of Penn Program on Opinion Research and Election Studies. He also serves as the Director of the Elections Unit at NBC News, which projects races for NBC and analyzes and produces election-related stories through exit polls for NBC News, MSNBC, CNBC, Telemundo, and all of NBC’s digital properties. Dr. Lapinski earned his Ph.D. at Columbia University in 2000, and previously was an associate professor in the Department of Political Science at Yale University. His primary area of research is concerned with understanding national elections as well as lawmaking in Congress through empirical analysis. His research has appeared in the American Journal of Political Science,Perspectives on Politics, the Journal of Politics, and the British Journal of Politics. He is the co-editor of a volume, The Macropolitics of Congress which Princeton University Press published (2006). His research has been supported by the National Science Foundation, the Russell Sage Foundation, where he was a Resident Fellow for the 2004-05 academic year, the Dirksen Congressional Center, and the Institution for Social and Policy Studies at Yale University. Professor Lapinski was co-director with David Mayhew for the History of Congress Conference and served as co-director of the Macropolitics of Congress Conference.