Michael J. "Mike" Sullivan

Mathew A. Wyman is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Mathew A., who practices law in San Francisco, California, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mathew A. is held by other top lawyers in the same geographic and legal practice area.

When business partnerships, startups, and investment funds are in the throes of intra-company disputes or face claims of wrongdoing, business litigator John D. Pernick guides companies and their founders, directors, executives, and investors toward resolutions that serve their overall interests, be it through negotiation or litigation. He also represents companies and individuals in complex state and federal litigation matters and in connection with investigations by the Securities Exchange C...

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.

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

Theodora Lee is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Theodora, 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 Theodora is held by other top lawyers in the same geographic and legal practice area.

Christine Y. Wong is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Christine Y., 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 Christine Y. is held by other top lawyers in the same geographic and legal practice area.

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

Joel Zeldin is a top attorney recognized by Best Lawyers in the practice area(s) of Bet-the-Company Litigation, Commercial Litigation and Real Estate Law. Joel, who practices law in San Francisco, California, has been recognized since 2008. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joel is held by other top lawyers in the same geographic and legal practice area.

Richard S. Kinyon is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates and Trusts and Estates. Richard S., who practices law in San Francisco, California, has been recognized since 1987. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard S. is held by other top lawyers in the same geographic and legal practice area.

Charles (“Chuck”) Dyke leads the firm’s national ERISA Litigation practice. His experience includes defending complex breach of fiduciary duty claims, litigating pension plan termination cases, and handling appellate matters. Chuck also has significant experience litigating trade secrets and complex commercial cases. He has been recognized as a “Northern California Super Lawyer” each year since 2007 and is listed in Best Lawyers in America . Chuck speaks and writ...