jon stevens corzine (born january 1, 1947) is an american politician. he was the 54th governor of the state of new jersey. he represented new jersey in the united states senate from 2001 until 2006, when he stepped down to take his seat as governor. on november 3, 2009, jon corzine lost re-election for another four years as governor. the person who won was chris christie, who became the governor on january 20, 2010.