Kara L. DiBiasio Martini

Richard N. Hill practices in all areas of labor and employment law. He appears in both state and federal courts and has argued before the United States Supreme Court. He also regularly practices before the National Labor Relations Board, the Equal Employment Opportunity Commission, the California Department of Fair Employment and Housing and the California Labor Commissioner. Richard has extensive trial experience and regularly handles arbitrations involving collective bargaining and trust fu...

Attorney R. Brent Wisner is a managing partner of Wisner Baum (formerly Baum Hedlund Aristei & Goldman), a nationwide law firm based in Los Angeles, California. He focuses his practice on holding negligent and sometimes malicious corporations accountable through pharmaceutical product liability, toxic torts and consumer fraud and class action litigation. One of the firm’s leading trial lawyers, Brent oversees the mass tort litigation department. He is actively involved in all litiga...

Monica Mazzei is a Shareholder in Buchalter’s San Francisco office and the chair of the Firm’s Family Law group. Monica is a Certified Family Law Specialist representing high net worth clients. She represents clients throughout California, with a concentration in San Francisco and Silicon Valley, as well as Los Angeles.

Joshua Zachariah is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Joshua, 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 Joshua is held by other top lawyers in the same geographic and legal practice area.

Darin Donovan is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Darin, who practices law in Redwood Shores, California, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Darin is held by other top lawyers in the same geographic and legal practice area.

Kerry E. Shea is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Kerry E., 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 Kerry E. is held by other top lawyers in the same geographic and legal practice area.

John J. Stein is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates. John J., 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 John J. is held by other top lawyers in the same geographic and legal practice area.

Colin T. Kemp is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Colin T., 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 Colin T. is held by other top lawyers in the same geographic and legal practice area.

Yvonne A. Toy is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Yvonne A., 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 Yvonne A. is held by other top lawyers in the same geographic and legal practice area.

Matthew P. Vafidis is a partner specializing in commercial litigation, with an emphasis on shipping and environmental law. Mr. Vafidis began his legal career as a barrister in London at the Bar of England and Wales, to which he was called in July 1979. Since 1981, he has practiced in San Francisco, first as an associate and partner at a major California law firm, and thereafter as a partner at Holland & Knight and one of its predecessors, an internationally-renowned shipping and aviation ...