Attorney Profile
Meet Our Legal Specialists
Attorney Profile
Meet Our Legal Specialists
Katherine “Kasey” Sullivan
Attorney
Phone
341.217.0550
Location
1111 Broadway
Suite 300
Oakland, CA 94607
Katherine “Kasey” Sullivan
Attorney
Katherine (Kasey) Sullivan joined Stranch, Jennings & Garvey in early 2026 as a projects associate. She has more than a decade of experience working to develop new antitrust, consumer rights and privacy rights cases.
Before joining Stranch, Jennings & Garvey, Ms. Sullivan served on the legal team for In re: Facebook, Inc., Consumer Privacy User Profile Litigation, which resolved with a $725 million settlement — the largest recovery ever achieved in a privacy class action case. She was also on the legal team for In re: Google RTB Consumer Privacy Litigation, which resulted in landmark injunctive relief for plaintiffs.
She previously worked in business and employment litigation and in the field of e-discovery as an attorney or consultant at law firms and businesses in the San Francisco Bay Area.
Practice Areas
- Civil Litigation
- Class Action
- Complex Litigation
- E-Discovery
Education
- Northwestern University Pritzker School of Law (J.D., 1999)
- University of California – Berkeley (B.A., Political Science, 1991)
Bar Admissions
- California
- U.S. District Court – Northern District of California
Experience
- In re: Allstate & Arity Consumer Privacy Litigation
- In re: Bank of America Unauthorized Account Opening Litigation
- In re: Domestic Airline Travel Antitrust Litigation
- In re: Facebook, Inc., Consumer Privacy User Profile Litigation
- In re: Google Generative AI Copyright Litigation
- In re: Google RTB Consumer Privacy Litigation
- In re: Local TV Advertising Antitrust Litigation
- In re: Volkswagen “Clean Diesel” Marketing, Sales Practices, and Products Liability Litigation
- In re: White v. Samsung Electronics America, Inc. et al.
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Our Founding Members

J. Gerard Stranch IV

James G. Stranch III

R. Jan Jennings

Hon. John (Jack) Garvey


