Michael Headley

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...

Companies and individuals rely on Michael Mugmon to guide them through multifaceted legal challenges that threaten their business and their reputation. The partner-in-charge of WilmerHale’s San Francisco office, Mr. Mugmon maintains a wide-ranging national and international practice advising clients across many industries as they navigate complex and high-profile investigations, regulatory inquiries, litigation and other threats. Taking into account each client’s unique situation ...

Ruth Stoner Muzzin is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law. Ruth Stoner, 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 Ruth Stoner is held by other top lawyers in the same geographic and legal practice area.

Joshua D. Morse is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law and Litigation - Bankruptcy. Joshua D., 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 Joshua D. is held by other top lawyers in the same geographic and legal practice area.

Matthew D. Gramly is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Matthew D., who practices law in Mill Valley, California, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Matthew D. is held by other top lawyers in the same geographic and legal practice area.

David P. Lanferman is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Litigation - Land Use and Zoning. David P., 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 David P. is held by other top lawyers in the same geographic and legal practice area.

Anthony B. Leuin is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Insurance Law. Anthony 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 Anthony B. is held by other top lawyers in the same geographic and legal practice area.

Deborah Schmall is widely recognized as one of the leading environmental law practitioners in California. She recently served as the Co-Chair of the Global Environment and Energy Practice at Paul Hastings. She is ranked Band One in Chambers for California Environmental Law. Starting with her career at the U.S. Justice Department’s Environmental Enforcement Section, where she prosecuted civil and criminal enforcement matters under a range of federal environmental laws, Deborah has practi...

Jennifer Liu is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Individuals and Litigation - Labor and Employment. Jennifer, 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 Jennifer is held by other top lawyers in the same geographic and legal practice area.

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