Andrew Weissmann

Andrew A. Weissmann (born March 17, 1958) is an American attorney and professor. He was an Assistant United States Attorney from 1991 to 2002, when he prosecuted high-profile organized crime cases. He served chief of the Fraud Section in the Department of Justice (2015–2017) and as a lead prosecutor in Robert S. Mueller's Special Counsel's Office (2017–2019). He was in private practice at Jenner & Block in New York during two separate periods away from public service. He has taught at New York University School of Law, Fordham Law School, and Brooklyn Law School. He is currently a professor at the NYU Law School.

In 2002, President George W. Bush appointed Weissmann as deputy director and then director of the Federal Bureau of Investigation's Enron Task Force. Weissman also served as General Counsel of the Federal Bureau of Investigation from 2011 to 2013.

Starting in 2015, he became chief of the Criminal Fraud Section of the U.S. Department of Justice. In June 2017, he was appointed to a management role on the 2017 special counsel team headed by Robert Mueller. To assume that position, Weissmann took a leave from his Department of Justice post. The special counsel's investigation concluded in 2019. At that time, Weissmann returned to his practice in the private sector.