Doug Tween

Douglas Tween

Antitrust & Foreign Investment Partner, New York / Washington, D.C.

"Enforcers around the world are increasingly investigating and prosecuting companies and executives for their business activities. My experience on both sides of the aisle, including 15 years as a Trial Attorney with the U.S. Department of Justice, allows me to guide clients to the best possible outcome. And when clients choose to fight, my extensive courtroom experience can help to get optimal results."


Professional experience

Education and qualifications

Published works


Doug is a partner based in New York and Washington, D.C. and is the head of our U.S. Government Enforcement and Cartel Practice.

He brings extensive courtroom experience to the defense of companies and individuals in white collar criminal and regulatory investigations and parallel civil litigation.

Doug focuses his practice on antitrust and cartel, FCPA, securities, tax, fraud, False Claims Act, and money laundering matters.

He also advises on crisis management, conducts internal investigations, and assists corporations with compliance, risk assessment and governance issues. He has tried numerous federal jury trials, and has conducted or managed investigations for clients in over 50 countries on six continents. He has been described as a “lawyer you fear going up against in court,” and as “an excellent lawyer who is able to take cases all the way through to trial.”

Prior to private practice, Doug spent 15 years as a Trial Attorney with the U.S. Department of Justice.

He is a Fellow of the American Bar Foundation, and has been commended for his commitment to pro bono legal work. He also serves on the board of BronxWorks, a not-for-profit social service organization supporting the South Bronx.

Work highlights

Representative legal matters include:

  • A prominent American businessman: acting as lead defense counsel in a 10-week federal criminal jury trial and obtaining acquittals on all 12 counts including bribery and fraud in the first indictment brought by the DOJ's Procurement Fraud Task Force
  • Various clients: trying lengthy federal jury trials involving the financial services, software, metals and minerals, advertising, food service, construction, and graphic services industries. 
  • Various clients: defending numerous recent DOJ antitrust investigations and/or related civil class actions, including those involving container shipping, advertising, generic pharmaceuticals, auto parts, air cargo, capacitors, chemicals, television programming, refrigerator parts, municipal tax liens, and municipal foreclosure auctions
  • Various clients: in relation to FCPA investigations by the DOJ and SEC, including a Fortune 500 health care company; a state-owned multinational service provider; a board member of a Fortune 50 health care company; and the CEO of a defense contractor
  • Panalpina World Transport (Holding) Ltd.: defending in a parallel criminal FCPA and antitrust enforcement actions by the DOJ and SEC, as well as in a related antitrust class action
  • A group of investment management companies: in relation to DOJ and SEC insider trading investigations
  • A global transportation company: advising on a DOJ False Claims Act investigation

Professional experience

Doug is ranked as a leading lawyer in the Nationwide Antitrust: Cartel and New York Antitrust category of Chambers USA 2022. He is ranked in LawDragon in the Antitrust – White Collar category for 2023 and in Legal 500 U.S. in the Antitrust - Cartel category for 2022.

Doug has served in several leadership positions in the American Bar Association Section of Antitrust Law, including as Chair of the Cartel and Criminal Practice and Compliance and Ethics Committees and as a member of the International Cartel Task Force. He has also been nominated by the DOJ as a Non-Governmental Advisor to the International Competition Network.

He lectures frequently on corporate ethics and compliance and white collar criminal defense, most recently at the Society of Corporate Compliance & Ethics annual meeting and the ABA Section of Antitrust Law Spring Meeting.

Notable Press Coverage:

Education and qualifications

Doug holds a Juris Doctor cum laude from Northwestern University School of Law, where he was Articles Editor of the Law Review. He obtained his Bachelor of Arts from Columbia University.

Prior to private practice, Doug spent 15 years as a Trial Attorney with the DOJ Antitrust Division, where he received the Attorney General’s Distinguished Service Award and the Antitrust Division Award of Distinction. 

Doug is a member of the New York and Connecticut Bars.

Published works

Featured on an episode of the ABA’s “Our Curious Amalgam” podcast on Jan 30, 2023, titled: #206 Who’s Going to the 2023 Spring Meeting? A Sneak Preview With the Co-Chairs – Our Curious Amalgam