Lockhart served as the White House press secretary under President Clinton from 1998 to 2000. He also worked on Sen. John KerryJohn KerryEgypt’s death squads and America's deafening silence With help from US, transformative change in Iran is within reach Ellison comments on Obama criticized as 'a stupid thing to say' MORE's (D-Mass.) 2004 presidential bid, Clinton's 1996 run and other Democratic campaigns. He co-founded Glover Park Group, a Washington-based communications firm.
Lockhart joined Facebook in July of last year.