Maggie Williams was named the manager of Senator Hillary Rodham Clinton's 2008 presidential campaign, in February 2008. She previously served as Clinton's chief of staff, when she was First Lady, and headed the progressive PR firm Fenton Communications. She has been called "a central player in the Clinton damage-control machine during the White House years," and also worked as an aide in the offices of Representatives Morris Udall of Arizona and Robert Torricelli of New Jersey. 
Williams "is a partner in GriffinWilliams LLC, a management consulting firm that helps public and private sector clients navigate transitions and respond to political challenges. As a private communications and management consultant, she has advised clients that include Scholastic Publishing Corporation, the Smithsonian Institution, Hillary Clinton for Senate, and the Vietnam Veterans of America Foundation.
"Williams served as chief of staff to former president Bill Clinton managing his policy and personal staff at the Clinton Foundation in New York City. From 1993-1997, Williams served in The White House as one of seventeen assistants to President Clinton and also served as chief of staff to First Lady Hillary Rodham Clinton. In the course of a political and advocacy career spanning three decades, Williams has held numerous positions including director of communications for the Children's Defense Fund, deputy director of media relations for the Center on Budget and Policy Priorities, campaign press secretary to Senator Robert Torricelli, and deputy press secretary of the Democratic National Committee." 
In 2000 Williams was named president of Fenton Communications, a progressive public relations firm. An announcement of her Fenton position stated Williams "will oversee all of the firm's operations, staffing and client work...
"The former White House staffer becomes the highest-ranked Black woman in a top 50 PR agency. Her rise ends a two-year search to find a replacement for founder (David) Fenton.
"After spending four years in the White House, Williams moved to Paris in 1997 where she worked as a communications consultant...
"Born and reared in Kansas City, MO, Williams graduated Phi Beta Kappa from Trinity College in Washington in 1977 and received a master's degree at the University of Pennsylvania's Annenberg School for Communications. She has worked for the Children's Defense Fund and once served as press secretary for Sen. Robert Torricelli (D-NJ)." 
- Thomas M. DeFrank, "Meet Maggie Williams, Hillary Clinton's new campaign manager," New York Daily News, February 11, 2008.
- WVWV Leadership Team, Womens Voice: Womens Vote, accessed July 8, 2007. (This page is from the Internet Archive)
- Anon, Maggie Williams, Ex-Chief Of Staff For Hillary Clinton, To Head Firm In D.C, Jet, October 16, 2000.