(Information courtesy of the U.S. Department of State)

Rudy Giuliani is the former mayor of New York City, where he served during the September 11, 2001, terrorist attacks. He previously was U.S. attorney for the Southern District of New York and prosecuted several high-profile cases. As part of his campaign, Giuliani has made "12 commitments to the American people," including "I will keep America on offense in the terrorists' war on us" and "I will impose accountability on Washington."

Giuliani was born May 28, 1944. He attended Manhattan College and New York University Law School. His wife is Judith, and he has two children from a previous marriage.