Dr. Stephen Ansolabehere is a public opinion and election expert who has written extensively on elections, the media, representation, political economics, and public opinion, particularly in relation to energy and the environment.

Cheap and Clean, The Media Game, Going Negative, American Government, and The End of Inequality are among his top five books. He was on the Board of Overseers of the Reuters Institute of Journalism at Oxford University and consults for CBS News Election Decision Desk. He founded the Caltech/MIT Voting Technology Project in 2000 and oversaw it until 2004. He is the head of Harvard’s Center for American Political Studies and the primary investigator of the Cooperative Congressional Election Study, a joint effort of more than 60 universities and colleges across the country.