LAWYER PROFILE
Casey Donnelly

Casey Donnelly

USA 2026

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Ranked in 1 practice area

About

Provided by Willkie Farr & Gallagher LLP

Practice Areas

Casey Donnelly is a partner in Willkie’s Litigation Department and the Firm's White-Collar Defense Practice Group. Ms. Donnelly’s practice focuses on representing both companies and individuals in white collar criminal defense, securities enforcement matters, internal investigations, and in complex commercial litigation and trials.

Ms. Donnelly has been involved in some of the nation’s most high-profile white collar cases. In 2022, she was part of the trial team that secured an acquittal on all counts for Tom Barrack, founder of Colony Capital, in a highly publicized jury trial alleging illegal foreign lobbying, obstruction of justice, and other charges. In addition, she successfully represented shipbuilding executive Jean Boustani in a significant jury trial victory in the U.S. District Court for the Eastern District of New York, where he had been charged with participating in wire fraud, securities fraud, and money laundering conspiracies in connection with an alleged $2 billion fraud and kickback scheme involving Mozambique state-backed loans. Ms. Donnelly was also a senior member of the team that won a landmark victory dismissing all charges in the first US London Inter-Bank Offered Rate (LIBOR) manipulation case before the Second Circuit Court of Appeals. She has also represented individuals and companies in white-collar investigations brought by the US Department of Justice (DOJ), the US Securities & Exchange Commission (SEC), and the UK Serious Fraud Office (SFO), among others, successfully persuading those agencies that formal charges were not appropriate and should not be brought.

Personal

New York University School of Law, J.D., 2010; College of the Holy Cross, B.A., 2006

See: https://www.willkie.com/professionals/d/donnelly-casey-e

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Litigation: White-Collar Crime & Government Investigations - New York

Band 5
Band 5

Individual Editorial

Casey Donnelly is noted for her representation of both individuals and corporations in white-collar investigations. She regularly handles cases involving political corruption, record-keeping and tax fraud.

Strengths

Provided by Chambers

  • She is very detail-oriented and has great judgment.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA
  • Casey is very smart, hard-working and an all-around excellent lawyer.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA
  • Casey is able to synthesize large amounts of information and understand the details.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA
  • She is an absolute master of the facts and a joy to work with.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA

Ranked Individuals at Willkie Farr & Gallagher LLP (155)

California

California: San Francisco, Silicon Valley & Surrou

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California: Southern

District of Columbia

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