Gilbert S. Keteltas tries and litigates complex commercial, tort and environmental disputes in federal, state and administrative courts. As lead trial counsel, Mr. Keteltas won an unprecedented trial verdict in a case of first impression against the California Air Resources Board. He also assisted in the defense and settlement of the largest mobile source enforcement action in history and the second largest environmental enforcement case ever tried to a jury.

Mr. Keteltas focuses a portion of his practice on data privacy and security and also represents clients in enforcement actions by state and federal agencies, including product liability cases, NEPA litigation, toxic torts, citizen suits and other private party actions. As a member of a national legal team at his previous firm, Mr. Keteltas co-managed the nationwide environmental litigation docket for a major petroleum company. He is lead trial counsel to U.S. sugarbeet growers and processors, defending their ability to plant genetically-engineered sugarbeets in multiple NEPA cases. He also served as national counsel to a global manufacturer in tort and environmental suits based on alleged exposure to vehicle emissions.