- Speaker, Civil Procedure, Murchison & Cumming’s Year in Review, 2010
- Pluggin the App Info Leak, The Recorder, April 19, 2012 (Rich Kellner and Anastasia Mazzella)
- Going Beyond Workers’ Compensation for Injured Employees: A Look at the Common Exceptions to California’s Exclusive Remedy Rule, Advocate, January 2014 (Brian Kabateck and Anastasia Mazzella)
Anastasia Mazzella
Partner
Anastasia Mazzella is a Partner at Kabateck LLP. Ms. Mazzella focuses her practice on mass actions, disaster litigation, class actions, employment discrimination, and sexual abuse/assault. During her time at the firm, she has recovered more than $100 million for clients. Her track record of securing favorable outcomes for her clients has earned her a reputation as a formidable opponent.
Ms. Mazzella is one of the firm’s go-to litigators for complex, high profile cases, including a class action against the City of Los Angeles and the Department of Water and Power, the Aliso Canyon Gas Leak Cases against Southern California Gas Company, a toxic tort/products liability case against Twin Hill Acquisition Company and Men’s Warehouse, the Sunshine Canyon and Chiquita Canyon Landfill mass actions, and multiple sexual abuse cases against school districts and the Catholic Church. She is also a highly skilled law and motion and appellate attorney, drafting and arguing over 100 motions and briefs in both state and federal court, including the California Court of Appeal and the Ninth Circuit.
Ms. Mazzella’s recent work involves representing hundreds of Altadena residents in the Eaton Fire litigation against Southern California Edison. As a longtime resident of Altadena who was herself a victim of the Eaton Fire, she is deeply committed to helping her fellow Altadena residents obtain justice and secure the financial resources they need to rebuild and recover. Her personal connection to the Eaton Fire gives her a unique perspective and a profound empathy for her clients. This empathy combined with her legal expertise, makes her a powerful advocate for those whose lives have been upended.
In addition to fighting for her clients, Ms. Mazzella has become a leading advocate for empowering women in the legal profession. Through her advocacy, actions, and accountability, she has significantly impacted countless women’s lives, and she continues to be a source of inspiration and guidance for those seeking to build successful careers in law. As the first woman to become partner at Kabateck LLP, she has dedicated herself to mentoring the next generation of women lawyers and partners at the firm.
In recognition of her achievements in legal advocacy, she was named one of California’s Top Women Lawyers by the Los Angeles Daily Journal in 2024 and 2025 and has been consistently selected to the Southern California Super Lawyers since 2021. She is also one of the recipients of the Daily Journal 2023 Top Verdict Awards.
Notable Results
$67.8 Million – Settlement recovery for approximately 1,400 clients in Aliso Canyon Gas Leak Cases against Southern California Gas Company.
$18.67 Million – Jury verdict on behalf of five bellwether plaintiffs in a case against Twin Hill Acquisition Company for American Airlines workers sickened by toxic uniforms.
$3.4 Million – Obtained additional refunds and credits for eligible class members in the Jones v. City of Los Angeles class action.
$3 Million – Settlement on behalf of Niagara Bottling LLC against an insurance broker that failed to timely tender an insurance claim.
$1.75 Million – Settlement on behalf of an autistic student sexually assaulted by another student while on school bus owned by the Moreno Valley Unified School District.
$1.65 Million– Disgorged ill-gotten attorney fees from former local class counsel for his role in a collusive settlement in Jones v. City of Los Angeles.
$1.35 Million – Settlement on behalf of a woman who was catastrophically injured when a city-operated bus struck her car.
$1.08 Million – Jury verdict for four bellwether plaintiffs in the Twin Hill toxic tort litigation.
$1 Million – Settlements secured for additional individual plaintiffs in Twin Hill toxic tort litigation.
$925,000 – Settlement on behalf of a client who was severely injured when a truck, owned by a roofing company, struck her car on the freeway.
Six-Figure Confidential Settlement – Age discrimination case against 7-Eleven Inc. on behalf of 66-year-old employee wrongfully terminated.
Six-Figure Confidential Settlement – Sexual abuse case against the Roman Catholic Bishop of San Jose.
Six-Figure Confidential Settlement – Sexual abuse case against the Archdiocese of Los Angeles.
Six-Figure Confidential Settlement – Sexual abuse case against a clerical order within the Fresno Diocese.
Six-Figure Confidential Settlement – Settlement on behalf of a female student raped by another student at Clayton Valley Charter High School
Six-Figure Confidential Settlement – Settlement on behalf of a female student sexually abused by a teacher’s aide employed by Fresno Unified School District.
PUBLICATIONS & FORUMS
SPEAKING ENGAGEMENTS/WEBINARS
- Podcasts
– Civil Action – Gender Bias, Episode 69 (February 16, 2023)
– Civil Action – Women and Imposter Syndrome, Episode 73 (June 23, 2023)
– Civil Action – What Your Expert Witnesses Want You to Know, Episode 76 (Oct. 16, 2023)
Media Mentions
- Daily Journal, Edison fire settlement details blasted by plaintiffs’ attorneys as unfair (Sept. 26, 2025)
- Law.com, California Jury Awards 5 Flight Attendants $18.6 Million in Toxic Uniform Suit (June, 11, 2025)
- Daily Journal, Alameda jury awards $18.6M to flight attendants harmed by toxic uniforms (June 12, 2025)
- Daily Journal, Lawyers warn Eaton Fire clients to reject Edison’s compensation program (July 25, 2025)
- Fox 11 LA, Eaton Fire Victims skeptical about SoCal Edison payout program (July 24, 2025)
- KTLA 5, Many homes that survived the Eaton Fire are still uninhabitable (April 16, 2025)
ATTORNEY ARTICLES
- Simi Valley Acorn, Regulation, reform needed at SoCal landfill sites (August 9, 2025)
Advocate, Class Certification and Warranty Claims: The Implications of Class Certification Requirements in California State and Federal District Courts for Breach of Warranty Claims in Products-Defect Class Actions (June 2020).
- Advocate, Going beyond Workers’ Compensation for injured employees (January 2014)
- The Recorder, Plugging the App Info Leak (April 2012)
AWARDS & RECOGNITION
- Daily Journal Top Women Lawyers 2024 and 2025
- Southern California Super Lawyer 2021-2024
- Daily Journal 2023’s Top Verdict Award
- Loyola Law Review, Editor-in-Chief, June 2005- May 2006
- Loyola Law Review, Staff Member, July 2004 – May 2005
- Otto Kaus Award for Outstanding Achievement in Legal Research, Writing and Editing, 2006
- First Honors Award in Legal Research & Writing, May 2004
- Loyola Scholarship Recipient 2003-2006
PROFESSIONAL ASSOCIATIONS & MEMBERSHIPS
- Association of Business Trial Lawyers, Executive Board Member
- Consumer Attorneys of California
- Los Angeles County Bar Association
- Admitted to California State Bar, December 2006
- Admitted to all U.S. District Courts of California, December 2006
- Admitted to the United States Court of Appeals for the Ninth Circuit, October 2019
EDUCATION
Loyola Law School, Los Angeles, Juris Doctor, May 2006
University of California, Los Angeles, Bachelor of Arts in Political Science, June 2001