Theo Trayhurn

Cy Benson is a U.S. and English qualified partner in the London office of Gibson, Dunn & Crutcher and serves as Co-Chair of the firm’s International Arbitration Practice Group. Mr Benson represents clients from a wide variety of sectors before commercial and investment treaty tribunals with particular experience in telecoms, oil & gas, mining and infrastructure disputes. He continues to represent a Dutch and a Luxembourg investor in two separate multi-billion dollar arbitration ...

Deborah Ruff leads Pillsbury’s Arbitration - U.S. & International practice. She has extensive experience in multi-jurisdiction disputes, with a focus on high-value and complex international arbitration in the energy, infrastructure and construction, telecommunications and financial sectors. Deborah conducts international arbitration disputes often over JOAs, the construction of and off-take from refineries and petrochemical plants, as well as rig, energy trading and transport, and c...

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...

James Cox is a partner in the London office of Gibson, Dunn & Crutcher and a member of the firm’s Labour and Employment Practice Group. Mr. Cox has extensive experience in contentious and non-contentious labor and employment matters, with an emphasis on cross-border employment issues, collective labor and industrial disputes, redundancies and workforce restructurings, ARD/TUPE, the employment aspects of public and private mergers and acquisitions and outsourcing arrangements, corpor...

Nigel van Zyl specializes in advising asset managers, institutional investors and investment advisors across the full spectrum of investment fund matters. Praised for his keen business sense and practical approach, Nigel advises leading international fund managers on all aspects of their fund business, including the formation, raising, maintenance and ongoing operation and compliance of their investment funds. He also advises on internal governance, compliance and organization, carried intere...

Josh Dambacher is a top attorney recognized by Best Lawyers in the practice area(s) of Investment Funds. Josh, who practices law in London, United Kingdom, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Josh is held by other top lawyers in the same geographic and legal practice area.

Mark Fennessy is the co-head of the London Finance, Restructuring and Special Situations Group. He focuses his practice on contentious and non-contentious restructuring and insolvency matters. He has particular experience in multifaceted group collapses and global insolvency issues. He has been involved in a number of high-profile assignments for banks, funds and various strategic parties. Mark leads a team with unrivalled expertise in special situations, including in relation to assets facin...

For more information, please visit www.gibsondunn.com/lawyer/nikpay-ali/ .

Partha S. Pal is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Finance. Partha S., 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 Partha S. 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...