He started with the legacy Immigration and Naturalization Service in September 2002 as an Attorney General Honor Graduate, and he remained with the agency since its transition to the Department of Homeland Security, Immigration and Customs Enforcement, in March 2003. In December 2010, he was promoted to the position of Senior Attorney, for which his responsibilities include reviewing and editing briefs, advising attorneys on appellate litigation strategy, assisting in the coordination of office-wide legal training, and advising ICE agents on cultural property investigations.