A fellow of the American College of Trial Lawyers, Nathan co-chaired – along with recently confirmed Supreme Court Associate Justice Ketanji Brown Jackson – a task force composed of some of the city's top litigators and jurists, examining "Jury Service in the 21st Century" sponsored by the prestigious Council for Court Excellence, in an effort to improve jury service in the age of the internet and social media.
Irvin B. Nathan has extensive governmental experience – in the executive and legislative branches of the federal government and in the DC government.
Nathan was appointed Attorney General for the District of Columbia in 2011. In this role, he supervised all civil litigation and appeals on behalf of the city, as well as juvenile and misdemeanor prosecutions. He announced his resignation the day after the November 2014 election, in which DC voters chose Karl Racine as the first elected Attorney General.
Before joining the Office of the Attorney General, Nathan served as General Counsel of the United States House of Representatives. He has also served as Principal Associate Deputy Attorney General at the US Department of Justice and Deputy Assistant Attorney General for Enforcement in the Criminal Division; Senior Counsel for the US House of Representatives Judiciary Committee; and Special Minority Counsel for the Senate Intelligence Committee.
For more than 30 years, Nathan practiced law at Arnold & Porter LLP representing clients in criminal and complex civil litigations, including securities fraud, civil RICO and corporate compliance matters. When he returned to A&P, he was a part of several practice groups – including Attorney Liability, Business Litigation, Legislative and Public Policy and White Collar Defense.