Judith Donnelly

Cason Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law and Private Equity Law. Cason, who practices law in London, United Kingdom, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cason is held by other top lawyers in the same geographic and legal practice area.

Gillian Sproul is a top attorney recognized by Best Lawyers in the practice area(s) of Competition Law. Gillian, who practices law in London, United Kingdom, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gillian is held by other top lawyers in the same geographic and legal practice area.

Charlie Caher is a partner in the Firm's Litigation/Controversy Department, and a member of the International Arbitration Practice Group. He joined the Firm in 2008. Mr. Caher is based in the London office, where he practices International Arbitration and English High Court Litigation.

Vladimir Maly is a top attorney recognized by Best Lawyers in the practice area(s) of Derivatives. Vladimir, who practices law in London, United Kingdom, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Vladimir is held by other top lawyers in the same geographic and legal practice area.

Ingrid Gubbay is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Ingrid, who practices law in London, United Kingdom, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ingrid is held by other top lawyers in the same geographic and legal practice area.

Peter Castellon is a top attorney recognized by Best Lawyers in the practice area(s) of Capital Markets Law. Peter, who practices law in London, United Kingdom, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter is held by other top lawyers in the same geographic and legal practice area.

Mark's practice covers cross border inward investment, syndicated lending, structured export credit finance, structured trade and commodity finance, debt restructurings and asset finance. Mark is recognized in The Legal 500 UK as "excelling" in structured export credit transactions and is praised for his "commercial and user-friendly approach."Mark advises on ESG financings including hospitals, clean energy and transportation.Mark also advises on financial crime, modern slavery, bribery and c...

Jason Hambury is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and International Arbitration. Jason, who practices law in London, United Kingdom, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jason is held by other top lawyers in the same geographic and legal practice area.

Joel D. Harrison is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law and Outsourcing. Joel D., who practices law in London, United Kingdom, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joel D. is held by other top lawyers in the same geographic and legal practice area.

Penny Madden is an English qualified Queen’s Counsel and serves as Co-Partner-in-Charge of the London office at Gibson, Dunn & Crutcher. She is Co-Chair of the International Arbitration Practice Group and a member of the firm’s Transnational Litigation Practice Group. She has a wide range of experience in all key aspects of international arbitration with particular expertise in shareholder, telecommunications, SPA, energy, international trade and insurance disputes. She repres...