Occupation: Former governor of Massachusetts
Previous TIME 100 Appearances: 0
He may have lost the 2008 GOP presidential nomination, but few think Romney is done with political life. In fact, all signs point to a 2012 bid: the former Bain CEO is raising money for GOP candidates across the country and just came out with a book, No Apology: The Case for American Greatness. A majority of political insiders in a January 2010 National Journal poll predicted that the Mormon would be the 2012 nominee.