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O'Neill, Sean

Sean O'Neill

Direct Tel: +1 617-712-7131, Direct Fax: +1 617-712-7200
Tel: 617-712-7100 Fax: 617-712-7200

Sean O’Neill is an associate in Quinn Emanuel’s Boston office.  He joined the firm in 2020.  His practice focuses on white collar defense, government investigations, and complex commercial litigation.  Sean has also represented asset management firms in a range of securities law matters, including insider trading and Foreign Corrupt Practices Act investigations, as well as investigations into fee and expense practices. Prior to joining the firm, Sean clerked for the Honorable Denise Casper of the United States District Court for the District of Massachusetts. Prior to clerking, Sean worked for several years at another international law firm.

  • Harvard Law School
    (J.D., 2015)
  • Boston College, School of Art & Sciences
    (B.A., Political Science, 2009)
The State Bar of Massachusetts
  • Law Clerk for the Honorable Denise Casper:
    • United Sates District court for the District of Massachusetts, 2019-2020
  • Ropes & Gray:
    • Associate, 2015-2019