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Brien T. O'Connor
Partner




Ropes & Gray
One International Place
Boston, MA 02110-2624

T + 1-617-951-7385
F + 1-617-235-0084
+ 1-617-854-2219 secretary
E-mail


Practice

Brien O'Connor, a partner in the Boston office, has represented numerous well-known corporations, as well as individuals, in white-collar criminal cases and investigations and other government enforcement and regulatory matters. Brien has represented clients in matters involving alleged securities fraud, health care fraud and abuse, tax crimes, export law violations and other fraud and corruption. Brien also handles complex civil cases, some of which are related to government enforcement, and conducts internal investigations for corporate clients.

Professional Experience

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.

Honors & Awards

  • The Best Lawyers in America (2009, 2010)
  • Chambers USA: America's Leading Lawyers for Business (2006-2009)
  • Massachusetts Super Lawyers (2004-2009)
  • Benchmark: Litigation, Massachusetts Litigation Star (2008)
  • International Who's Who of Business Crime Lawyers (2007-2009)
  • PLC Which Lawyer? Yearbook (2007, 2008)


Memberships & Affiliations

  • American Bar Association
  • American Bar Association White Collar Crime Section, Northeast Region Co-Chair
  • Boston Bar Association
  • Boston Bar Association White Collar Crime Section


Bar Admissions
  • Massachusetts, 1985


Courts
  • U.S. Court of Appeals for the 1st Circuit
  • U.S. District Court for the District of Massachusetts


Clerkships
  • Honorable Andrew A. Caffrey, U.S. District Court for the District of Massachusetts (1985 - 1986)


Education
  • 1985, J.D., cum laude, University of Pennsylvania Law School
  • 1981, B.A., magna cum laude, Yale University



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