Mr John Nathanson > A&O Shearman > New York, United States > Lawyer Profile

A&O Shearman Offices

A&O Shearman
599 LEXINGTON AVENUE
NEW YORK, NY 10022-6069
NEW YORK
United States
Visit website 1 212 848 4000 1 212 848 7179

Mr John Nathanson

John Nathanson photo
+1 212 848 8611 john.nathanson@shearman.com View profile View profile

Position

Partner

Career

John Nathanson is a partner in the firm’s Litigation practice. 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. Mr. Nathanson also served as 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 worked as an associate at Clifford Chance, Rogers & Wells, primarily on complex securities litigation and investigation matters.

Mr. Nathanson was recognized in 2013-2015 by The Legal 500 for his white collar criminal defense work. In Benchmark Litigation’s 2022 guide, Mr. Nathanson was named a “Litigation Star” and a “National Practice Area Star.”

Memberships

New York

Courts

  • United States Supreme Court
  • United States District Court for the Southern District of New York
  • United States District Court for the Eastern District of New York
  • United States Court of Appeals for the Second Circuit

 

Education

University of Pennsylvania Law School

J.D.

  • Journal of International Business Law
Williams College

B.A.

Lawyer Rankings

United States > Dispute resolution > International litigation

A&O Shearman‘s international litigation practice has vast trial experience, with in-depth knowledge of securities litigation, white-collar, regulatory, and investigations work. Information requestions and enforcement actions are regularly advised on by the team, with expertise in associated business, reputational, and regulatory risks. The team has a well-established China securities litigation department, and represents a range of leading clients, including Danske Bank, Citigroup, BNP Paribas, Bank of America, and Softbank. Based in the New York office, Adam Hakki is a well-commended litigator for securities and trading market cases, alongside the DOJ, SEC, and FINRA. Hakki is joined by Richard Schwed in the same office. Katherine Stoller bolsters the team with her expertise conducting corporate internal investigations, including whistleblower and workplace investigations. Also of note are New York-based John Nathanson and in the Washington DC office, Mark Lanpher.

Lawyer Rankings

Top Tier Firm Rankings

Firm Rankings