Andrew Byers is a military and diplomatic historian of the United States in the twentieth century. He earned his Ph.D. in history from Duke University in 2012, where he also served as a visiting assistant professor until 2017. His research and teaching interests include U.S. defense policy, grand strategy, U.S.-China relations, and the history of modern warfare. Most recently, he was director of foreign policy at the Charles Koch Foundation. He served as a defense policy analyst and intelligence officer for over ten years.