Geoffrey Perrett is an American historian, currently living in England, whose work focuses primarily upon the political dynamics that influence strategic and tactical military decisions, as well as broader political themes. He has published over thirteen books dealing with a variety of topics, among them the U.S. Presidency - including several biographies of iconic Presidents such as John F. Kennedy and Ulysses S. Grant - leading American military commanders such as Douglas MacArthur, and pivotal American military engagements.
His earlier works use the spelling "Perrett" for his last name.