Mary Beth Cahill

Cahill last worked to raise funds for Massachusetts Democratic gubernatorial candidate Deval Patrick, who defeated Attorney General Tom Reilly and businessman Chris Gabrieli in the 2006 primary and Kerry Healey in the general election.

Following the Kerry campaign, Cahill was a fellow at the Harvard Institute of Politics at Harvard University's John F. Kennedy School of Government in the spring of 2005. She led a study group for undergraduates entitled "Campaigns 101."

Cahill started her political career by working as a receptionist and caseworker for Congressman Robert Drinan, a Jesuit priest. After which she became Chief of Staff for Representative Barney Frank. In 1986, she was the campaign manager for Senator Patrick Leahy (D-VT). She was also an Assistant to the President and Director of Public Liaison in Bill Clinton's White House and chief of staff to Senator Ted Kennedy (D-MA).

Cahill was born in Dorchester, Massachusetts and raised in Framingham, Massachusetts by a large, politically active, Irish-Catholic family. Cahill graduated from Emmanuel College, Boston, a small local Catholic liberal arts school with a Bachelor of Arts degree in English and political science in 1976.

Mary Beth Cahill (born December 1954) is an American political figure who served as the campaign manager of Senator John Kerry's campaign for the Democratic nomination for President. She was Kerry's second campaign manager; she replaced Jim Jordan in November 2003, after Jordan was fired by Kerry. In February 2018, Cahill was named interim CEO of the Democratic National Committee.