Robert G. "Bob" O'Connor

Jacobus D. Machalow is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Jacobus D., who practices law in San Francisco, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jacobus D. is held by other top lawyers in the same geographic and legal practice area.

Lynn Krieger is a top attorney recognized by Best Lawyers in the practice area(s) of Admiralty and Maritime Law. Lynn, who practices law in San Francisco, California, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lynn is held by other top lawyers in the same geographic and legal practice area.

Based in the firm’s San Francisco office, Deborah Rosenthal brings 25 years of experience as a litigator to the firm’s asbestos, sexual abuse, and personal injury practice groups. She has helped secure millions of dollars in verdicts and settlements on her clients’ behalf, against defective product manufacturers, oil and shipping companies, telecom carriers, and other institutional and individual wrongdoers. A writer for as long as she can remember, Deborah became a lawyer t...

David Bertenthal is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Bankruptcy. David, who practices law in San Francisco, California, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David is held by other top lawyers in the same geographic and legal practice area.

William F. Tarantino is a top attorney recognized by Best Lawyers in the practice area(s) of Natural Resources Law. William F., who practices law in San Francisco, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William F. is held by other top lawyers in the same geographic and legal practice area.

Jordan Elias is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs. Jordan, who practices law in San Francisco, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jordan is held by other top lawyers in the same geographic and legal practice area.

Steve Kostka, senior counsel with the firm's Environment, Energy & Resources practice, has represented clients in a broad range of cases involving the California Environmental Quality Act, the Planning and Zoning Law, and other state and federal environmental and land use statutes. He also has extensive experience counseling public agencies and private clients on land use, CEQA and NEPA compliance issues. Steve is a co-author of Practice Under the California Environmental Quality Act. Thi...

Mary Powell is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Mary, who practices law in San Francisco, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mary is held by other top lawyers in the same geographic and legal practice area.

Chris Carr is widely regarded as one of the leading project development, environmental, and energy lawyers in the United States. Drawing on his experience with the U.S. Department of the Interior and the U.S. Department of State, Mr. Carr represents businesses, land developers, public agencies, and nonprofits in all areas of environmental and natural resource law, including energy, transportation, water, forestry, mining, coastal and marine resources, and agriculture. In particular, his pract...

David H. Kremer is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. David H., who practices law in San Francisco, California, has been recognized since 1997. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David H. is held by other top lawyers in the same geographic and legal practice area.