Irvin B. Nathan is the Attorney General for the District of Columbia. Prior to his arrival at the Office of Attorney General, he was the General Counsel of the United States House of Representatives, where he served from November 2007 until January 2, 2011. For more than 30 years, he practiced with the Washington, DC law firm of Arnold and Porter, where he was a senior litigating partner and head of the firm’s white-collar criminal defense practice. He has served as a Deputy Assistant Attorney General and Principal Associate Deputy Attorney General in the United States Department of Justice. He also served as the Vice Chair of the Board of Professional Responsibility of the District of Columbia and as an adjunct professor at the Georgetown University Law Center and the University of San Diego Law School. He is a graduate of the Johns Hopkins University and Columbia University Law School.