Abigail M. Cotton

Amy L. Hespenheide is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Amy L., 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 Amy L. is held by other top lawyers in the same geographic and legal practice area.

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.

Mr. Fiero serves as a co-chair of the firm's Committee Practice Group and maintains a national practice representing debtors, committees, acquirers, and other significant parties in interest in complex reorganizations and financially distressed situations, both in and out of court. Mr. Fiero is a graduate of the University of Massachusetts at Amherst and received his J.D. from Hastings College of the Law, where he was associate note editor for the Hastings Journal of Communications and Entert...

Christopher L. Wanger is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Christopher L., 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 Christopher L. is held by other top lawyers in the same geographic and legal practice area.

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

Sophia (Sophie) Castillo counsels domestic and international importers, distributors, national brands, private labels, institutional suppliers, family-owned food processing businesses, and retail grocers on compliance, litigation, and risk avoidance surrounding California’s Proposition 65, as well as other state and national laws related to chemicals and toxics. She advises clients involved in numerous industries across the entire supply chain, including food and beverage, apparel, cook...

Joseph P. Crawford is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law and Family Law Mediation. Joseph P., who practices law in San Mateo, California, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph P. is held by other top lawyers in the same geographic and legal practice area.

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...

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.

Anthony J. McCusker is a top attorney recognized by Best Lawyers in the practice area(s) of Venture Capital Law. Anthony J., who practices law in Redwood City, California, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anthony J. is held by other top lawyers in the same geographic and legal practice area.