Chet Kronenberg

Simpson Thacher & Bartlett

Partner

1999 Avenue of the Stars, 29th Fl.
Los Angeles, CA 90067

+1 310 407 7557

Litigation Star


Jurisdiction:

California

Practice area:

Commercial
Insurance
Labor and employment
Securities


Chet Kronenberg, senior Los Angeles litigator, represents clients in a wide range of complex commercial litigation, including defending clients in consumer, employment, insurance and other commercial lawsuits. Chet has served as lead counsel for clients such as AmGUARD, Aptive Environmental, Banc of California, Beazley Group, Chubb, Vivint, Inc., Vivo Capital, Travelers, and Whittaker, Clark & Daniels, among others. He has been recognized by The Legal 500 in multiple categories, including Securities Litigation, Insurance and Appellate. Chet has also been named by Benchmark Litigation as a California “Litigation Star” and a “Labor & Employment Star.” In 2023, he was named a “Leader of Influence” by the Los Angeles Business Journal.

Chet was elected to membership in the Firm in 2001. He received his B.A. from Tufts University in 1990 and his J.D. from the New York University School of Law in 1993. Chet currently serves on the board of directors of the Southern California Tennis Association and Levitt & Quinn Family Law Center.


Updated Oct 2025

  • Lead counsel representing Banc of California in lawsuit brought by former CEO against the Banc for defamation and other claims, including prevailing on anti-SLAPP motion.

  • Lead counsel representing Travelers in multiple California actions by homeowners affected by the 2025 Los Angeles County fires.

  • Lead counsel representing Chubb in connection with University of Southern California’s suit seeking coverage for sexual abuse claims.

  • Lead counsel representing various insurers in COVID-19-related coverage and commercial litigation, including in appellate wins.

  • Lead counsel representing Travelers in multiple California actions by manufacturers and distributors of countertops seeking coverage for bodily injury complaints stemming from workers’ exposure to silica dust.

  • Class action
  • Commercial disputes
  • Dispute resolution
  • Insurance
  • Labor and employment
  • Securities

  • Consumer goods and services
  • Financial services
  • Insurance

  • J.D., Journal of International Law and Politics - New York University School of Law - 1993
  • B.A., summa cum laude; Phi Beta Kappa - Tufts University - 1993

  • Board of Directors - Southern California Tennis Association    
  • Board of Directors - Levitt & Quinn Family Law Center

  • U.S. Court of Appeals 9th Circuit - 2005
  • U.S. District Court Northern District of California - 2003
  • U.S. District Court Southern District of California - 2003
  • California - 2002
  • U.S. District Court Central District of California - 2002