Ian Hempseed

Morag Peberdy is a top attorney recognized by Best Lawyers in the practice area(s) of Life Sciences Law. Morag, who practices law in London, United Kingdom, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Morag is held by other top lawyers in the same geographic and legal practice area.

Graham Tyler leads the firm’s Asset Finance team globally. A recognised authority on aircraft finance and leasing, Graham regularly represents financial institutions, leasing companies, equity investors, airlines and arrangers in the procurement, financing and leasing of new and used aircraft and engines and aircraft portfolio acquisitions, financings and sales. Adept at crafting complex cross-border leasing and innovative financing structures, Graham negotiates commercial debt deals in...

Robert Haak is a top attorney recognized by Best Lawyers in the practice area(s) of High Yield Products. Robert, 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 Robert is held by other top lawyers in the same geographic and legal practice area.

Ceyda Knoebel is an English-Turkish dual-qualified solicitor and Of Counsel in the London office of Gibson, Dunn & Crutcher. She is a member of the firm’s Dispute Resolution and International Arbitration Groups. Ms. Knoebel advises on a wide range of disputes involving public international law and general commercial matters in common and civil law jurisdictions. She has experience in both commercial and investment treaty arbitration proceedings under the UNCITRAL, ICSID, ICC, VIAC a...

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...

Ali Nikpay is a top attorney recognized by Best Lawyers in the practice area(s) of Competition Law. Ali, 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 Ali is held by other top lawyers in the same geographic and legal practice area.

Nicholas (Nick) Holland focuses his practice on international contentious trusts and estates and acts primarily for wealthy families, individuals, institutional trustees, protectors and enforcers in disputes involving offshore trusts. Nick is also often involved in non-contentious international private wealth matters where he brings his extensive knowledge of offshore trusts and jurisdictions as well as potentially litigious outcomes to bear on the difficulties faced by international wealthy ...

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...

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...

Gary Born is the chair of the International Arbitration Practice Group. Mr. Born is widely regarded as the world's preeminent authority on international commercial arbitration and international litigation. He has been ranked for more than 20 years as one of the world's leading international arbitration advocates and the leading arbitration practitioner in London.