Brien O'Connor

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Professional Experience

: Current; Brien rejoined Ropes Gray in June of 1999 with ten years of experience investigating and prosecuting complex securities, health care, insurance and bank fraud, public corruption, tax, drug trafficking, money laundering, RICO violations, and other federal crimes for the United States Attorney's Office for the District of Massachusetts. From 1996 to 1999, Brien served as Chief of Public Corruption and Special Prosecutions for the United States Attorney's Office. In 1996, he received the John Marshall Award for Trial of Litigation, the Department of Justice's top trial award, for leading a nationwide municipal securities fraud and corruption investigation that culminated in the conviction of a prominent investment banker following a three-month jury trial, and multimillion-dollar civil settlements with two leading Wall Street investment banks. Brien has successfully tried numerous cases to juries and has successfully handled several appeals in the First Circuit Court of Appeals.

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