Mark Moyar is the director of the Center of Military and Diplomatic History in Washington, DC. In April 2017, Basic Books will publish his sixth book, a history of American special operations forces. He is currently writing the sequel to his book Triumph Forsaken: The Vietnam War, 1954-1965. Moyar has served as a professor at the US Marine Corps University and a senior fellow at the Joint Special Operations University and has advised the senior leadership of several US military commands. He holds a BA summa cum laude from Harvard and a PhD from Cambridge.