David Hendrickson is also Senior Fellow at The Institute for Peace and Diplomacy and Professor Emeritus of Political Science at Colorado College, where he taught from 1983 to 2020. He is the author of eight books, including Peace Pact: The Lost World of the American Founding (2003), Union, Nation, or Empire: The American Debate over International Relations, 1789-1941 (2009), and Republic in Peril: American Empire and the Liberal Tradition (2018). He received a Ph.D. in Political Science from Johns Hopkins University in 1982.