About Joan Loughnane

joan loughnane

Joan Loughnane is a partner at Sidley Austin, LLP. She joined Sidley after serving in a series of leadership positions in the United States Attorney’s Office for the Southern District of New York, including Acting Deputy United States Attorney. In that role — the second highest in the office — she oversaw more than 200 prosecutors and lawyers in the office’s criminal and civil divisions, and acted as the office’s primary liaison to the Department of Justice’s leadership in Washington, numerous federal and state law enforcement agencies, and the United States District Court. Ms. Loughnane previously held a number of other senior leadership positions in the office, including Chief Counsel to the United States Attorney, Acting Chief of the Complex Frauds and Cybercrime Unit, Deputy Chief of the Criminal Division, and Co-Chief of the General Crimes Unit.

In 2018, Ms. Loughnane received the New York City Bar Association’s prestigious Henry L. Stimson Medal, awarded annually to outstanding Assistant U.S. Attorneys in the Southern and Eastern Districts of New York.