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George D. Sullivan, Co-Managing Shareholder of the Westchester County office, has wide-ranging trial and regulatory experience in the broker-dealer and investment arenas. He focuses his practice on representing financial institutions and individuals in securities enforcement and regulatory matters, complex commercial litigation, securities litigation and arbitration, internal corporate investigations and broker-dealer compliance issues.

Prior to joining Greenberg Traurig, George was managing director & head of litigation for the Retail Brokerage and Investment Management businesses at Morgan Stanley. He also served as the head of Morgan Stanley's West Coast Law Department in San Francisco and Southeast Law Department in Florida.


  • Securities enforcement and regulatory investigations
  • Complex commercial litigation
  • Securities litigation and arbitration
  • Internal corporate investigations
  • Broker-dealer compliance


Recognition & Leadership

  • Listed, The Legal 500 United States, Litigation - Securities - Shareholder Litigation, 2014-2016
  • Recipient, Thurgood Marshall Award, Association of the Bar of the City of New York
  • Member, The Florida Bar
  • Member, American Bar Association
  • Member, Securities Industry Association


  • J.D., University of Pennsylvania Law School, 1982
  • B.A., magna cum laude, University of Connecticut, 1979
  • New York
  • Florida
  • Connecticut
  • California