Christopher T. Heffelfinger

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

For more information, please visit www.gibsondunn.com/lawyer/mcdowell-stewart/ .

John Bartko is a Founder and a Principal of the firm. He represents both plaintiffs and defendants in complex civil, criminal and regulatory matters. He has represented many executives ensnared in complex regulatory investigations and has been involved in significant international discovery and complex investigations requiring foreign court appearances, including conducting examinations in Switzerland and Japan through pioneering requests for civil judicial assistance. He has traveled to Euro...

Michael Mugmon is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Michael, 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 Michael 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.

David Sanford is the Chairman and co-founder of Sanford Heisler Sharp LLP. He has recovered more than one billion dollars for individual clients and the United States government since 2004. David represents C-suite executives and non-managerial hourly employees throughout the US. He has served as lead counsel in more than 50 class actions and numerous qui tam cases around the country and represented more than 100 general counsel and attorneys (in-house and outside counsel) in contract dispute...

Michael J. Shuster is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice and Patent Law. Michael J., 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 Michael J. is held by other top lawyers in the same geographic and legal practice area.

R. Brian Dixon is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. R. Brian, who practices law in San Francisco, California, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. Brian is held by other top lawyers in the same geographic and legal practice area.

Attorney Jennifer L. Alesio is a partner at Simmons Hanly Conroy in the San Francisco office. She focuses her practice on mesothelioma and asbestos-related cases, helping injured workers and their families secure the justice they deserve. In the 10 years Jennifer has practiced law, her tenacity in the courtroom and empathetic approach to clients has resulted in hundreds of millions of dollars in verdicts and settlements for her clients. “It’s my job to tell the stories of the work...

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.