Erin Mackey is the Chief of Staff for the Chicago Department of Aviation (CDA) working closely with the Commissioner and the First Deputy Commissioner to manage O’Hare and Midway International Airports. Before joining the CDA team, Erin served as the Chief Financial Officer for Mayor Rahm Emanuel’s 2011 mayoral bid, Director of Finance at the White House and Budget Manager on the 2008 Obama presidential campaign. Erin has an undergraduate degree in economics from Boston College where she was a Division I scholarship athlete and received an MBA in finance and economics from the University of Chicago Booth School of Business.