 He graduated from Brandeis University, Siegel worked at "The New York Sun" as an editorial writer and the paper's first op-ed page editor when it launched in 2002.He would go on to found the web magazine "New Partisan" with Tim Marchman.Siegel was editor-in-chief of the "New York Press" in 2005 and 2006, and worked as an editor at Politico from 2008-2010.