Geoff Garin (born 1953) is an American pollster, who served as co-chief strategist for the latter part of Senator Hillary Clinton's 2008 Presidential campaign. He was a pollster and strategist in 2011–2012 for Priorities USA Action, a superPAC that supported Barack Obama's reelection, and served in those same roles for Priorities USA in support of Hillary Clinton's election as president in 2016. Garin graduated from Harvard University in 1975. He is the husband of Debbie Berkowitz, with whom he has two sons, Andy (b. 1987) and Danny (b. 1990) Garin.

Hart Research

Garin is the president of Hart Research Associates, a survey research firm. He became president of Hart Research in 1984, after having worked in the firm since 1978 as a senior analyst and vice president. His work was used in the 2013 book The Kennedy Half-Century. Garin has also worked for numerous politicians, such as Senators Max Baucus, Robert Byrd, John Rockefeller, and Hillary Clinton, and Virginia Governor Mark Warner.