Andrew B. "Andy" Downs

Peggy Otum is co-chair of WilmerHale’s Energy, Environment and Natural Resources Group. Ms. Otum represents large corporations, public companies and universities in federal and state environmental enforcement matters and litigation.

Trial Lawyer and Competition Advocate Brendan P. Glackin chairs the firm’s antitrust practice group. He has practiced antitrust law for over two decades and has tried more than 20 civil and criminal cases. He served as trial counsel in the liquid crystal displays (LCDs) price-fixing litigation ($470 million in settlements); and the Norvir antitrust litigation. He also served as lead trial counsel for the firm in the titanium dioxide price-fixing class action ($163.5 million in settlemen...

Gwenneth O'Hara is a top attorney recognized by Best Lawyers in the practice area(s) of Natural Resources Law. Gwenneth, 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 Gwenneth is held by other top lawyers in the same geographic and legal practice area.

Margaret N. Rosegay is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law, Litigation - Environmental, Natural Resources Law and Water Law. Margaret N., who practices law in San Francisco, California, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Margaret N. 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/ .

John J. Stein is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates. John J., 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 John J. is held by other top lawyers in the same geographic and legal practice area.

Patrick R. McCabe is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law and Trusts and Estates. Patrick R., 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 Patrick R. is held by other top lawyers in the same geographic and legal practice area.

Rupert P. Hansen is a founding partner of Cox, Wootton, Griffin, Hansen & Poulos LLP. Prior to joining Cox Wootton, Mr. Hansen was a partner with the international law firm of Graham & James, LLP in San Francisco. Mr. Hansen has over 30 years of litigation and transactional experience in the field of maritime law. He also represents cliemts in matters involving commercial, environmental, financial and construction law and litigation. Mr. Hansen represents a variety of business interes...

Danielle T. Zaragoza is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Danielle T., who practices law in San Francisco, California, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Danielle T. is held by other top lawyers in the same geographic and legal practice area.

A partner in Lieff Cabraser’s San Francisco office, Lin Chan’s successes include representing consumers (indirect purchasers) seeking justice for an alleged conspiracy to fix the prices of lithium-ion rechargeable batteries. Consumer plaintiffs achieved settlements totaling over $113 million. She also represented California consumers and third party payors charging that brand name and generic drug manufacturers conspired to restrain competition in the sale of Bayer’s blockbu...