Skip to content Brian M. Ledger


Los Angeles
633 West Fifth Street
52nd Floor
Los Angeles, CA 90071

San Diego
101 W. Broadway
Suite 2000
San Diego, CA 92101

5 Park Plaza
Suite 1100
Irvine, CA 92614

San Francisco
315 Pacific Avenue
San Francisco, CA 94111


J.D., University of Michigan

M.P.H., Environmental and Occupational Health Science, University of California, Los Angeles

  • Highest honors in Toxicology and in Epidemiology

B.S., magna cum laude, Environmental Science, East Stroudsburg University of Pennsylvania


Best Lawyers in America® distinction in Mass Tort Litigation / Class Actions - Defendants (2023-2024)


Brian M. Ledger has been a leader in Environmental and Toxic Tort Law for 29 years. Following receipt of a B.S. degree, magna cum laude, in Environmental Science, Brian completed a Master’s degree program in Environmental and Occupational Health Science at UCLA, where he received highest honors in Toxicology and Epidemiology. Before attending law school, Brian worked as an environmental consultant for Clayton Environmental and OSHA as an industrial hygiene compliance officer.

Brian serves as lead counsel in complex, multi-party environmental litigation under CERCLA, Clean Water Act/RCRA, and common law nuisance/trespass concerning contaminated soil, surface, and groundwater. His cases have included some of the most complex sites in California and several other states and involved PFAS, Metals, benzene, PCBs, petroleum hydrocarbons, chlorinated solvents, pesticides/fungicides, and dozens of other hazardous substances.

Brian also serves as national counsel for several companies in toxic tort matters. He employs his academic background in toxicology, epidemiology, risk assessment, and industrial hygiene on behalf of his clients and works regularly with top national experts in these fields. He has tried multiple complex environmental and toxic tort cases to verdict with favorable results. Brian’s trial experience also includes several administrative trials before environmental regulatory agencies. Brian co-chairs the firm's Environmental practice group.

Growing up in a  blue-collar town in Pennsylvania, Brian developed a work ethic that enabled him to accomplish unexpected academic and career goals, while never losing sight of his working-class beginnings and connections. He continues to bring this work ethic to bear in service to his clients. Brian enjoys international travel, classical literature and history, rock and jazz, NFL and NBA, and engaging with his wife and three kids of vastly disparate ages.


  • California
  • Pro Hac Vice: Pennsylvania, Massachusetts, Illinois, South Carolina, North Carolina, and New York
Publications & Presentations