Daniel Silva is the #1 "New York Times"-bestselling author of "The Unlikely Spy," "The Mark of the Assassin," "The Marching Season," "The Kill Artist," "The English Assassin, The Confessor, A Death in Vienna, Prince of Fire, The Messenger, The Secret Servant," "Moscow Rules" and "The Defector." He is married to NBC News Today correspondent Jamie Gangel. They have two children, Lily and Nicholas. In 2009 Silva was appointed to the United States Holocaust Memorial Museum Council.