Duncan Sigournay

Mitasha Chandok is an experienced corporate associate in the London office of Gibson, Dunn & Crutcher. She is a member of the firm’s Oil and Gas, Energy and Infrastructure, Power and Renewables, Mergers and Acquisitions, and Private Equity practice groups and the Environmental, Social and Governance (ESG) practice. Mitasha’s experience includes mergers and acquisitions, joint ventures, project development and financing, and corporate advisory work. She routinely advises client...

Clive Wells is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Clive, 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 Clive is held by other top lawyers in the same geographic and legal practice area.

Rohan Massey is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Protection Law. Rohan, 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 Rohan is held by other top lawyers in the same geographic and legal practice area.

Pawel Szaja is a top attorney recognized by Best Lawyers in the practice area(s) of Capital Markets Law. Pawel, 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 Pawel is held by other top lawyers in the same geographic and legal practice area.

Steven Finizio's practice focuses on international dispute resolution. Mr. Finizio also serves as an arbitrator. He has particular experience with energy, financial services, shareholder, joint venture and M&A, and manufacturing issues. He has advised clients regarding disputes under the rules of most of the well-recognized international arbitration institutions and governed by the laws of jurisdictions in Europe, Asia, Africa and the US, as well as under bilateral and regional investment...

Andrew Henderson is a top attorney recognized by Best Lawyers in the practice area(s) of Financial Services. Andrew, 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 Andrew is held by other top lawyers in the same geographic and legal practice area.

Al Gourley is a Partner at the firm’s London office. He is a globally-recognised resource lawyer, having led many UK and Canadian initial public offerings, secondary and alternative finance transactions, as well as mergers and acquisitions, in the resource sector, particularly cross-border transactions involving Europe, Africa, Australia and Canada. Al is also the Chairman of the World Initiative of Mining Lawyers based in Europe. Al is known for his knowledge of “pure” mini...

Patrick Doris is a partner in Gibson Dunn’s Dispute Resolution Group in London, where he specialises in global white-collar investigations, commercial litigation and complex compliance advisory matters. Mr. Doris’ practice covers a wide range of disputes, including white-collar crime, internal and regulatory investigations, transnational litigation, class actions, contentious antitrust matters and administrative law challenges against governmental decision-making. Mr. Doris handle...

Alistair Maughan leads Morrison & Foerster's European Technology & Commercial Practice. He delivers commercial contracts and technology-based projects for major companies and public sector organizations. He advises on:Commercial licensing and sales contractsService-based outsourcing transactionsTechnology delivery models, such as cloud and as-a-service platformsContracts for the supply and acquisition of technology equipmentKey regulatory issuesServices and softwareAgency and distribu...

Franz Schwarz focuses on complex multi-jurisdictional disputes. He has extensive experience with arbitral practice, procedure and advocacy both in civil and common law systems. Mr. Schwarz has been involved in more than 250 arbitrations as counsel and arbitrator, both ad-hoc and before all major arbitral institutions (including ICC, LCIA, Vienna and Stockholm), at multiple seats and governed by a broad variety of substantive and procedural laws. He has a particular focus on joint venture, M&a...