John Nathanson is a partner in the firm’s Litigation Group. His practice focuses on United States Department of Justice inquiries, Securities and Exchange Commission and other regulatory matters, internal investigations and civil securities litigation.
Prior to joining the firm in 2009, Mr. Nathanson served for five years as an Assistant United States Attorney in the Eastern District of New York, where he was assigned to the Business and Securities Fraud Unit for four years. Most recently, Mr. Nathanson was the Acting Deputy Chief of the General Crimes Unit. During his time at the U.S. Attorney’s Office, Mr. Nathanson investigated and prosecuted numerous securities fraud matters, including cases involving CDOs (Bear Stearns asset managers), options backdating, private investment in public equity (“PIPE”), insider trading and other complex accounting and securities frauds.
Before the U.S. Attorney’s Office, from 2001 to 2004, Mr. Nathanson served as an Assistant District Attorney in the Frauds Bureau of the Manhattan District Attorney’s Office. While an ADA, Mr. Nathanson investigated and prosecuted securities and other business fraud cases, including the successful prosecution of brokerage D.H. Blair & Co., Inc. and several of its executives. Prior to becoming an ADA, Mr. Nathanson was associated with a large international law firm where he worked primarily on complex securities litigation matters.
Mr. Nathanson was recognized in 2013 by The Legal 500 for his white collar criminal defense work.