She was previously the President of Global Communications Strategy & Talent at A&E Networks[2][3] and the Chief Operating Officer of Vice Media.[4] She is also a contributing editor at Marie Claire magazine.[5] She previously served as White House Deputy Chief of Staff for Operations in the administration of President Barack Obama from 2011 to 2014.[6][7][8] She was the youngest woman to hold that position.[9] In 2005, Mastromonaco was hired as then Senator Obama's Director of Scheduling.[10] She is also a New York Times best selling author and co-host of the Crooked Media podcast, Hysteria.