Professional Biography

Ronald L. Berenstain Partner

  • Seattle

    D +1.206.359.8477

    F +1.206.359.9477


    1201 Third Avenue, Suite 4900

    Seattle, WA 98101-3099




Ronald Berenstain, a partner in the firm's Litigation practice, has been lead counsel in scores of high-stakes securities and corporate governance cases for more than 30 years. His practice is focused on representing public companies and their officers and directors, as well as underwriters and accountants in shareholder class action litigation, shareholder derivative litigation, merger and acquisition litigation, Employee Retirement Income Security Act (ERISA) class action litigation, Securities Exchange Commission (SEC) enforcement proceedings and internal investigations. He has extensive experience with accounting irregularity issues, financial restatements, compliance with disclosure regulations, insider trading claims and director and officer insurance issues. He has counseled public companies and their boards of directors on disclosure and compliance issues and corporate governance matters.

chambers usa 2021 and bl 2020

Ranked by Chambers & Best Lawyers

Named “Litigation - ERISA Lawyer of the Year” by The Best Lawyers in America, 2020
Ranked by Chambers USA 10 years in a row

Professional Recognition

  • Named Best Lawyers' "Lawyer of the Year" for Litigation - ERISA, 2016, 2020
  • Ranked by Chambers USA, in “America’s Leading Commercial Litigation Lawyers," 2012 - 2021
  • Listed as a “Washington’s Super Lawyer” by Super Lawyers Magazine, 2003 - 2021
  • Listed in Best Lawyers in America 2003 - 2022: Bet-the-Company Litigation; Commercial Litigation; Litigation - ERISA; Litigation - Mergers and Acquisitions; Litigation - Regulatory Enforcement (SEC, Telecom, Energy); Litigation - Securities
  • Peer Review Rated AV in Martindale-Hubbell
    (AV®, BV® and CV® are registered certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedures, standards and policies.)

Professional Leadership

  • Director and Officer Litigation Panel Counsel, Chartis (Original Member)


  • Hon. William Byrne, Jr., U.S. District Court for the Central District of California, 1977 - 1978





Bar and Court Admissions

  • Washington
  • U.S. Supreme Court
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. District Court for the Western District of Washington
  • U.S. District Court for the Eastern District of Washington
  • U.S. Tax Court


  • Yale Law School, J.D., 1977
  • Claremont McKenna College, B.A., summa cum laude, valedictorian, 1973