Mark Shield

He has taught U.S. politics and the press at the University of Pennsylvania’s Wharton School, Georgetown University's McCourt School of Public Policy, and he was a fellow at the Harvard Institute of Politics at the Kennedy School of Government. Shields is a regular political commentator on the PBS NewsHour.

Since 1988, Shields has provided weekly political analysis and commentary for the PBS NewsHour. His current on-screen counterpart is David Brooks of The New York Times. Previous counterparts were the late William Safire, Paul Gigot of the Wall Street Journal, and David Gergen. Shields was also a regular panelist on Inside Washington, a weekly public affairs show that was seen on both PBS and ABC until it ceased production in December 2013. For 17 years, Shields was moderator and panelist on CNN's Capital Gang.

Shields is the author of On the Campaign Trail, about the 1984 presidential campaign.

In 1979, Shields became an editorial writer for The Washington Post. The same year, he began writing a column which is now distributed nationally by Creators Syndicate.

Afterwards, he went to Washington in 1965, where he became an aide to Wisconsin Senator William Proxmire. In 1968, Shields went to work for Robert F. Kennedy’s presidential campaign. He later held leadership positions in the presidential campaigns of Edmund Muskie and Morris Udall, and was political director for Sargent Shriver when he ran for vice president on the Democratic ticket in 1972. Over more than a decade, he helped manage state and local campaigns in some 38 states, including incumbent Boston, Massachusetts, Mayor Kevin White's successful re-election campaign in 1975.

In the early 1960s, Shields served as an enlisted man in the United States Marine Corps in Florida. He was a lance corporal before he was discharged in 1962.

Shields was born and raised in Weymouth, Massachusetts, in an Irish Catholic family. He graduated from the University of Notre Dame in 1959.

Mark Stephen Shields (born May 25, 1937) is an American political columnist and commentator. He has worked in leadership positions for many Democratic candidates' election campaigns.