Phillip H. Warren

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.

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...

Stacie Polashuk Nelson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Trusts and Estates. Stacie Polashuk, who practices law in San Francisco, California, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stacie Polashuk is held by other top lawyers in the same geographic and legal practice area.

Patrick J. Ferguson is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Energy Regulatory Law. Patrick J., who practices law in San Francisco, California, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patrick J. is held by other top lawyers in the same geographic and legal practice area.

Kevin Nolt is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Kevin, who practices law in San Francisco, California, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin is held by other top lawyers in the same geographic and legal practice area.

David L. Alberti is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. David L., who practices law in Foster City, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David L. is held by other top lawyers in the same geographic and legal practice area.

Emile A. Davis is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs and Product Liability Litigation - Plaintiffs. Emile A., 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 Emile A. is held by other top lawyers in the same geographic and legal practice area.

Daniel R. Golub is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law and Land Use and Zoning Law. Daniel R., 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 Daniel R. is held by other top lawyers in the same geographic and legal practice area.

Stephen Gillespie advises public and private companies on a wide range of strategic partnerships and technology transactions. He focuses his practice on structuring, drafting and negotiating a variety of complex agreements, including procurement and licensing; distribution, sales and marketing; and strategic alliances. Mr. Gillespie regularly counsels clients on the development and commercialization of technology and products and arrangements involving software, data and services.

Garry is a senior class action litigator and strategist at Littler Mendelson, resident in the San Francisco office. He has personally supervised the firm's attorneys on more than 1,000 employment and labor litigation matters and currently defends employers in complex wage and hour, and discrimination class action cases. He also represents clients before the National Labor Relations Board (NLRB), in arbitration, mediation, and collective bargaining and offers advice on: Class action avoidance,...