Sara Abarbanel-Levine

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

James R. Sigel is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice. James R., 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 James R. is held by other top lawyers in the same geographic and legal practice area.

Joshua Lerner is a leading litigator who has built a technology-focused practice representing clients before federal and state courts and arbitral forums in complex commercial and intellectual property litigations, including trade secrets, class actions and contract disputes. Mr. Lerner has handled numerous high-stakes founder disputes. Mr. Lerner brings not only years of court room experience but also in-house experience to understanding and achieving his clients’ goals.

Randall C. Single joined the firm in February 2004 after serving as General Counsel for Divco West Properties, LLC and Page Mill Properties, L.P. for three years. He was also an associate and partner in the Los Angeles office of a national transactional real estate law firm for 13 years.

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.

Ernest Galvan is a partner at Rosen Bien Galvan & Grunfeld LLP. He assists clients in difficult and complex matters involving actual or potential litigation. Mr. Galvan has worked with clients to resolve a wide range of problems, including business formation and dissolution, commercial disputes, employment law matters, disability access compliance, and attorney fee disputes. Mr. Galvan’s practice includes both trial and appellate matters. He has successfully briefed and argued cases...

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.

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

For more information, please visit www.gibsondunn.com/lawyer/chan-winston-y/ .

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...