Shawn A. Williams

Shawn A. Williams


Winning consistently and recovering shareholder assets is a result of persistently mining for the truth, and that is what we do.


Shawn Williams is the managing partner of Robbins Geller Rudman & Dowd LLP’s San Francisco office and a member of the Firm’s Management Committee. His practice focuses on securities class actions. Shawn has served as lead counsel in securities class actions that have yielded hundreds of millions of dollars, including in: In re Facebook Biometric Info. Privacy Litig. ($650 million recovery; a cutting-edge class action concerning Facebook’s alleged privacy violations through its collection of user’s biometric identifiers without informed consent); Chicago Laborers Pension Fund v. Alibaba Grp. Holding Ltd. ($75 million recovery); In re Krispy Kreme Doughnuts, Inc. Sec. Litig. ($75 million recovery); In re Medtronic, Inc. Sec. Litig. ($43 million recovery); In re Cadence Design Sys., Inc. Sec. Litig. ($38 million recovery); and City of Sterling Heights Gen. Emps’. Ret. Sys. v. Prudential Fin., Inc. ($33 million recovery). 

Shawn is a member of the Firm’s Shareholder Derivative Practice Group which has secured tens of millions of dollars in cash recoveries and comprehensive corporate governance reforms in a number of high-profile cases including: In re McAfee, Inc. Derivative Litig.In re Marvell Tech. Grp. Ltd. Derivative Litig.In re KLA-Tencor Corp. S’holder Derivative Litig.; and The Home Depot, Inc. Derivative Litig.  More recently, in a shareholder derivative action, City of Westland Police and Fire Ret. Sys. v. Stumpf (Wells Fargo & Co.), Shawn and a team of Robbins Geller attorneys secured significant governance reforms and corporate initiatives, including $36.5 million in funding for homeownership down-payment assistance in communities affected by the financial crisis and high foreclosure rates.

Shawn has also led multiple securities class actions and shareholder derivative actions in which the Firm has obtained favorable rulings in the Ninth Circuit Court of Appeals (Knollenberg v. Harmonic, Inc., 152 F. App’x 674 (9th Cir. 2005); Nursing Home Pension Fund, Local 144 v. Oracle Corp., 380 F.3d 1226 (9th Cir. 2004); Lynch v. Rawls, 429 F. App’x 641 (9th Cir. 2011)) and the Fifth Circuit Court of Appeals (Barrie v. Intervoice-Brite, Inc., 409 F.3d 653 (5th Cir. 2005)).

Shawn has been named a Plaintiffs’ Lawyer Trailblazer by The National Law Journal, a Top 100 Lawyer by the Daily Journal, a California Trailblazer by The Recorder, a Titan of the Plaintiffs Bar by Law360, a Leading Lawyer in America and a Leading Plaintiff Financial Lawyer by Lawdragon, and a Super Lawyer by Super Lawyers Magazine.

Before joining the Firm, Shawn served for 5 years as an Assistant District Attorney in the Manhattan District Attorney’s Office, where he tried over 20 cases to New York City juries and led white-collar fraud grand jury investigations.


  • Super Lawyer, Super Lawyers Magazine, 2014-2017, 2020-2021
  • Leading Lawyer in America, Lawdragon, 2018-2021
  • Leading Plaintiff Financial Lawyer, Lawdragon, 2019-2020
  • Top 100 Lawyer, Daily Journal, 2019
  • California Trailblazer, The Recorder, 2019
  • Titan of the Plaintiffs Bar, Law360, 2019
  • Plaintiffs’ Lawyer Trailblazer, The National Law Journal, 2019
  • Board Member, California Bar Foundation, 2012-2014

Practice Areas


  • University of Illinois, J.D., 1995
  • The State University of New York at Albany, B.A., 1991


  • California
  • New York
  • United States Courts of Appeals for the Second, Third and Ninth Circuits
  • United States District Courts for the Northern, Eastern and Central Districts of California
  • United States District Court for the District of Colorado
  • United States District Courts for the Southern and Eastern Districts of New York

Notable Cases


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