William Ruger is a research fellow at the Cato Institute and vice president for research and policy at the Charles Koch Institute. Previously, he was an associate professor of political science at Texas State University and an adjunct assistant professor at the LBJ School of Public Affairs at the University of Texas at Austin.
Ruger is the author of Milton Friedman, a biography published in 2011, and co-author of two books on state politics, including the fourth edition of Cato's biennial Freedom in the 50 States. A veteran of the Afghanistan war, Ruger is on the executive council of the Inter-University Seminar on Armed Forces and Society. He earned his Ph.D. in politics from Brandeis University.