Walter Isaacson, Professor of History at Tulane University, has been chairman of CNN, and editor of Time magazine. From 2005-2007 he was the vice-chair of the Louisiana Recovery Authority, which oversaw the rebuilding after Hurricane Katrina. He was appointed by President Barack Obama and confirmed by the Senate to serve as the chairman of the Broadcasting Board of Governors, which runs Voice of America, Radio Free Europe, and other international broadcasts of the United States, a position he held until 2012. He is a member of the American Academy of Arts and Sciences and serves on the board of United Airlines and Tulane University among many others. Isaacson is the author of books including Steve Jobs; Einstein: His Life and Universe; and Kissinger: A Biography, and his most recent book is Leonardo da Vinci, which the New Yorker says is "a powerful story of an exhilarating mind and life."