After AOL’s layoff of 900 staff last week (the U.S. division losing 300 members), the Huffington Post Media Group has begun hiring.

Biz Stone, co-founder of Twitter, will join the HuffPo Media Group and AOL as strategic impact advisor. Stone says, “My goal in partnering with AOL and The Huffington Post Media Group is ambitious but vitally important. Together we will rally companies to think about new ways of doing business, share best practices and strive for positive impact at all levels – from global to local.”

John Montorio, who has served as managing editor at the Los Angeles Times and associate managing editor of The New York Times, will join as culture and entertainment editor.

Jennifer Bendery, who has been with Role Call for the past three years, has been chosen as White House correspondent.

Caroline Dworin, regular contributor to The New York Times, will be culture/style reporter.

David Jamieson, who previously covered transportation issues for, has been named workplace reporter.

Saki Knafo, whose work has appeared in The New York Time Magazine, New York Magazine, GQ and others, has been selected as general assignment writer.

Simone Landon, formerly Morning Edition for Rhode Island Public Radio producer, is now news editor.

Catherine New has been named real estate editor. Previously, New has contributed to the Wall Street Journal, Men’s Vogue and Psychology Today.

Other new reporters include Katherine Bindley, Laura Gottesdiener, Joy Resmovits and Laura Stampler.

In addition to the new hires, Howard Fineman, previously senior political editor of The Huffington Post, will now act as editorial director of The Huffington Post Media Group. Politics Daily staff also joins the Huffington Post Media Group. Andrea Stone, former senior Washington correspondent with AOL News, is now senior national correspondent. Alex Wagner, former White House correspondent and EIC of Fader Magazine, is now social impact reporter. David Wood is now the military defense correspondent; previously, he served correspondent with Time magazine, The Los Angeles Times, Newhouse News Service and the Baltimore Sun.

Other developments for the Huffington Post Media Group include new town additions to hyper-local Patch news coverage, new user feature integration tools such as a “Most Popular Articles” widget and a “30-Day Service Challenge,” which encourages HuffPo staff to give back to their communities.