LAWYER PROFILE

David O'Neil

Global 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

Chambers Review

Provided by Chambers

Chambers Global Guide

FCPA - USA

Band 2
Band 2

Individual Editorial

David O'Neil is cochair of the White-Collar and Regulatory Defense practice at Debevoise & Plimpton. He has a notable practice representing companies and executives in FCPA investigations. He brings his experience as former federal prosecutor to bear in high-stakes trials.

Strengths

Provided by Chambers

  • He is smart, thoughtful and has the ability to see the big picture.

    FCPAChambers Global Guide
  • David is a great lawyer.

    FCPAChambers Global Guide

Ranked Individuals at Debevoise & Plimpton LLP (91)

Brazil

China

  • Profile image of Edwin Northover
    Edwin Northover

    Corporate/M&A: Hong Kong-based (International Firms)

    View profile
  • Profile image of Mark D Johnson
    Mark D Johnson

    Dispute Resolution: Litigation (International Firms)

    View profile
  • Profile image of Mark D Johnson
    Mark D Johnson

    Financial Services: Contentious Regulatory (International Firms)

    View profile

Europe-wide

Global Market Leaders

Latin America - International Counsel

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership