Mark Halperin, editor-at-large and senior political analyst for TIME, covers politics, elections and government for the magazine and TIME.com. Halperin is also the creator and author of TIME.com’s“The Page,” a news and analysis tip sheet that gathers and edits the latest political stories, campaign ads, TV clips, videos and campaign reactions from every news source, along with Halperin’s own analysis. In addition, Halperin is senior political analyst for MSNBC, where he appears regularly on Morning Joe and other programs on the cable channel.

Prior to joining TIME in April 2007, Halperin worked at ABC News for nearly 20 years, where he covered five presidential elections and served as political director from November 1997 to April 2007. In that role, he was responsible for political reporting and planning for the network's television, radio and Internet political coverage. He also appeared regularly on ABC News TV and radio as a correspondent and analyst, contributing commentary and reporting during election night coverage, presidential inaugurations and State of the Union speeches. 

At ABC, Halperin reported on every major American political story, including working as a full-time reporter covering the Clinton presidential campaign in 1992 and the Clinton White House. He also covered major non-political stories, such as the O.J. Simpson criminal trial and the Oklahoma City bombing.

Additionally, Halperin founded and edited the online publication The Note on abcnews.com, which was characterized as the most influential daily tipsheet in American politics by publications including The New Yorker, The New York Times, The Wall Street Journal and Vanity Fair. He is the co-author of the New York Times #1 best-seller Game Change: Obama and the Clintons,Palin and McCain, and the Race of a Lifetime (Harper, 2010); author of The Undecided Voter’s Guide to the Next President (Harper Perennial, 2007) and co-author of The Way to Win: Taking the White House in 2008 (Random House, 2006). HBO Films adapted Game Change for television.Halperin received his B.A. from Harvard University and resides in New York City with Karen Avrich.