John D. O'Neill

recognized lawyers icon Recognized in Ones to Watch since 2023

About John D. O'Neill

John D. O'Neill is a lawyer based in Los Angeles, CA and has been recognized in Best Lawyers: Ones to Watch® in America since 2023. John D. O'Neill is recognized in the following practice area:

  • Los Angeles, California
    • Employee Benefits (ERISA) Law

Current Firm: Simpson Thacher & Bartlett LLP

Education: University of California Hastings College of the Law, J.D., graduated 2015

Location: Los Angeles, CA

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