Nanci L. Clarence

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.

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

Robert P. Doty is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Litigation - Environmental. Robert P., who practices law in San Francisco, California, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert P. is held by other top lawyers in the same geographic and legal practice area.

Ms. Preovolos is a litigation partner in the San Francisco office of Morrison & Foerster. She has extensive experience in antitrust, false advertising/unfair trade practice, and consumer class action litigation and counseling. She has served as lead counsel in a number of major antitrust, consumer class action, false advertising, and unfair competition cases, including two recent MDL proceedings. Ms. Preovolos has spoken and written extensively on antitrust, consumer class action, and unf...

Ashley Klein is a renowned commercial and residential real estate litigator with extensive trial, arbitration, mediation, and alternative dispute resolution (ADR) experience. Ashley represents real estate developers, real estate investment trusts (REITs), property management companies, landlords, and homeowners. My focus I regularly represent clients in contract and commercial litigation, purchase and sale and co-ownership disputes, landlord-tenant matters, non-disclosure and misrepresentatio...

Ben Riley is a Principal of the firm and serves on its Executive Committee. He has tried nearly 30 cases to verdict including jury trials, court trials, and complex arbitrations. His practice focuses on Intellectual Property Litigation, including patents, trade secrets, copyrights, trademarks and license disputes. He also has an active practice in Business Litigation, including class action defense, defense of “consumer claims” under the Lanham Act and unfair competition statutes,...

Evan S. Nadel is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Evan S., who practices law in San Francisco, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Evan S. is held by other top lawyers in the same geographic and legal practice area.

Ellen I. Kahn is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Ellen I., who practices law in San Francisco, California, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ellen I. is held by other top lawyers in the same geographic and legal practice area.

Stephen Gillespie advises public and private companies on a wide range of strategic partnerships and technology transactions. He focuses his practice on structuring, drafting and negotiating a variety of complex agreements, including procurement and licensing; distribution, sales and marketing; and strategic alliances. Mr. Gillespie regularly counsels clients on the development and commercialization of technology and products and arrangements involving software, data and services.

Arthur J. Shartsis is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation and Criminal Defense: White-Collar. Arthur J., who practices law in San Francisco, California, has been recognized since 1991. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Arthur J. is held by other top lawyers in the same geographic and legal practice area.