Jacob Weisberg is chairman of the Slate Group, and was the editor of Slate from 2002 until 2008. He has worked as a writer and editor at The New Republic, covered politics for New York Magazine, and joined Slate in 1996, covering the 1996 and 2000 presidential campaigns as Chief Political. He has also been a contributing writer for The New York Times Magazine, a contributing editor of Vanity Fair, and a reporter for Newsweek in London and Washington, as well as an editorial page columnist for the Financial Times. He is also a commentator on National Public Radio. Since 2010, he has served as a member of the Board of Directors of the Philadelphia Media Network, which publishes the Philadelphia Inquirer and the Philadelphia Daily News. Weisberg is also a former member of the Boards of the American Society of Magazine Editors and the Hudson Highlands Land Trust. Weisberg is the author of several books, including Ronald Reagan: The American Presidents Series: The 40th President and The Bush Tragedy, which was a New York Times bestseller in 2008. With former Treasury Secretary Robert E. Rubin, he co-wrote In an Uncertain World. His first book, In Defense of Government, was published in 1996. He joined the PEN America Board in 2011.