Bill Nelson
Biden NASA head, former Democratic US Senator and Representative from Florida
Bob Menendez
Democratic US Senator and Representative from New Jersey
Richard Green Lugar
Former Republican US Senator from Indiana
John Kerry
68th US Secretary of State, Senator from Massachusetts
Johnny Isakson
Former Republican US Senator & Representative from Georgia
Chris Dodd
President & CEO of MPAA; former Democratic US Senator from CT
Bob Corker
US Senator from Tennessee
Norm Coleman
Lobbyist at Hogan Lovells; Former US Senator from Minnesota
Joe Biden
46th President of the United States; Vice President; US Senator from Delaware
John Barrasso
US Senator from Wyoming (2007-present)