Chad Ellsworth

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.

Thomas E. Geidt is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Thomas E., who practices law in San Francisco, California, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Thomas E. is held by other top lawyers in the same geographic and legal practice area.

Belinda Hanson is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. Belinda, who practices law in San Mateo, California, has been recognized since 2003. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Belinda is held by other top lawyers in the same geographic and legal practice area.

Todd J. Trattner is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice. Todd 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 Todd J. is held by other top lawyers in the same geographic and legal practice area.

Arturo González is chair of Morrison & Foerster’s Commercial Litigation and Trial Practice Group and a former co-chair of our Litigation Department. He is a trial lawyer who specializes in high-stakes, bet-the-company litigation. Mr. González has successfully defended three trials where the plaintiffs sought more than $1 billion in damages, including a trade secrets case on behalf of Cypress Semiconductor Corporation. That lawsuit was filed by Silvaco Data Systems, and...

Gretchen M. Wallacker is a Certified Family Law Specialist and has practiced family law exclusively for three decades. In that time, she has helped countless families transition out of their marriages, settling a full spectrum of complex family law matters that involve child custody, visitation, child support, spousal support, and property division, including division of high net worth estates. Drawing on her geographical focus in San Francisco, the Peninsula, and Silicon Valley, Gretchen und...

Spencer’s practice focuses on catastrophic personal injury and wrongful death cases involving defective products, vehicular collisions, dangerous conditions of public and private property, and medical malpractice. Outside of his practice at Walkup, he also teaches at the University of California-Berkeley Law School as a lecturer in trial advocacy. In addition to his teaching, he directs Berkeley Law’s external trial competition program and coaches multiple trial advocacy teams. Un...

R. Clark Morrison is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law, Litigation - Land Use and Zoning, Natural Resources Law and Real Estate Law. R. Clark, 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 R. Clark is held by other top lawyers in the same geographic and legal practice area.

Robert A. Roth is widely regarded as one of the leading family law appellate specialists in California. He has over 30 years’ experience as an appellate practitioner and more than 25 published (and scores of unpublished) appellate opinions to his name. Robert has won twice in the California Supreme Court, and notably represented the successful respondent in In re Marriage of Ostler and Smith (1990) 223 Cal.App.3d 33, a seminal case that established the method California courts use every...

William L. Veen founded the Veen Firm in 1975. Over time, it has grown from a one-man operation to a heavy-hitting firm of trial lawyers. Bill has represented injured workers and consumers in recovering damages arising from industrial accidents, construction accidents, elevator accidents, motorcycle accidents, defective products, professional liability, and auto and truck accidents. Bill currently serves of counsel to The Veen Firm. Bill has been honored many times over his distinguished care...