Colin C. West

A leader within the plaintiffs’ bar, Lexi J. Hazam Chairs the firm’s Mass Torts Practice group and represents clients in mass tort cases and environmental class actions, as well as whistleblower/false claims act actions. In November 2022, Judge Yvonne Gonzalez Rogers of the Northern District of California appointed Lexi as Co-Lead Counsel of MDL 3047, In re Social Media Adolescent Addiction/Personal Injury Products Liability Litigation , the nationwide multi-district litigation ag...

John J. Heber is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. John J., who practices law in San Francisco, California, has been recognized since 2026. 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.

Veronica Cerruti is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law and Trusts and Estates. Veronica, who practices law in San Francisco, California, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Veronica is held by other top lawyers in the same geographic and legal practice area.

C. Jean Ryan is Of Counsel in Buchalter’s San Francisco office and a member of the Tax, Benefits and Estate Planning practice group. Ms. Ryan concentrates her practice on general tax matters, which include tax planning for businesses, as well as tax and estate planning for high net worth individuals. With over four decades of experience, Ms. Ryan has a broad tax practice with many areas of expertise. She counsels her clients on corporate, partnership, individual, real estate, gift and e...

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

Craig B. Etlin is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Craig B., 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 Craig B. is held by other top lawyers in the same geographic and legal practice area.

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

Rachel B. Horsch is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Rachel B., 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 Rachel B. 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...

John Bartko is a Founder and a Principal of the firm. He represents both plaintiffs and defendants in complex civil, criminal and regulatory matters. He has represented many executives ensnared in complex regulatory investigations and has been involved in significant international discovery and complex investigations requiring foreign court appearances, including conducting examinations in Switzerland and Japan through pioneering requests for civil judicial assistance. He has traveled to Euro...