Thomas A. "Tad" Devine (born June 11, 1955) is an American political consultant. Devine was a senior adviser in Al Gore's 2000 and John Kerry's 2004 Presidential campaigns. He was also the chief strategist for Bernie Sanders' 2016 presidential campaign. He has worked on eleven winning campaigns for President and Prime Minister in Europe, Latin America, and the Middle East, as well as seventeen winning U.S. Senate races. Devine is currently the president of Devine Mulvey Longabaugh, a Washington D.C.-based media consulting firm. In October 2010, he was recognized as one of "the nation's most respected media consultants" by USA Today.
