Donald J. Putterman

Michael O’Bryan is a partner in the firm’s Corporate Department. His practice focuses on U.S. and international mergers, acquisitions, divestitures, and other strategic transactions, including “going private” and other related party transactions. He has been involved in more than 350 M&A transactions, advising companies, boards, and special committees, as well as investment banks, in both negotiated and contested transactions. Mr. O’Bryan has worked extensive...

Mr. Fried has represented chapter 11 debtors, creditors' committees, and companies in out-of-court workouts and restructurings. Mr. Fried is a graduate of Rutgers University, received his J.D. magna cum laude from Pepperdine School of Law, and an MBA from Cal State Northridge. He was listed in the 2019 edition of Best Lawyers in America for his work in Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. Mr. Fried is admitted to practice in California and New York.

Richard H. Schoenberger has enjoyed remarkable success in his 33 year legal career. His outstanding skills and presence in the courtroom have made him one of the most highly respected trial lawyers in California. In an article printed in the Los Angeles Daily Journal, an opponent was quoted as follows: “Schoenberger is everything that a good plaintiff’s lawyer should be: ethical, professional and smart, and he works hard.” At various times he has held or shared the record fo...

Sam Zucker is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice and Corporate Law. Sam, who practices law in Redwood City, California, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sam is held by other top lawyers in the same geographic and legal practice area.

Mary Powell is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Mary, 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 Mary is held by other top lawyers in the same geographic and legal practice area.

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

For more information, please visit www.gibsondunn.com/lawyer/brass-rachel-s/ .

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

Steven A. Hirsch is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Commercial Litigation. Steven A., 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 Steven A. is held by other top lawyers in the same geographic and legal practice area.

A Business Leader, Innovator and Defender of Investor Rights Bruce W. Leppla is a partner in the San Francisco office of Lieff Cabraser, the 2022 New York Law Journal “Class Action Department of the Year,” the 2021 American Lawyer “Boutique Litigation Firm of the Year,” and the Benchmark Litigation “California Plaintiff Firm of the Year.” Bruce has received numerous honors and awards, including: Lawdragon named Bruce “one of the nation’s best pl...