Kai Bird is an award-winning historian and journalist. Executive Director of the Leon Levy Center for Biography, he is the acclaimed author of biographies of John J. McCloy and of McGeorge and William Bundy. He won the Pulitzer Prize for Biography for American Prometheus: The Triumph and Tragedy of J. Robert Oppenheimer (co-authored with Martin J. Sherwin). His work includes critical writings on the Vietnam War, Hiroshima, nuclear weapons, the Cold War, the Arab-Israeli conflict, and the CIA. He lives in New York City and Washington, D.C., with his wife, Susan Goldmark.