David J. Walker

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...

Sandro de Bernardini is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Sandro, 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 Sandro is held by other top lawyers in the same geographic and legal practice area.

Neil Robson decodes complex UK and EU regulations to provide practical regulatory and compliance advice to financial services firms. He represents a range of financial market participants — hedge and private equity fund managers, investment advisors, broker-dealers and proprietary traders — that are based or doing business in the UK or the EU. Neil's extensive working knowledge of this complicated sector allows his clients to both meet their business objectives and satisfy regulat...

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

Cathryn Williams is a top attorney recognized by Best Lawyers in the practice area(s) of Insolvency and Restructuring Law. Cathryn, 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 Cathryn is held by other top lawyers in the same geographic and legal practice area.

Matthew James Priday is a Co-Chair of the GT London Real Estate Practice. Matthew focuses his practice on commercial real estate and has wide-ranging experience in investments sales and purchases, lettings and development projects. Matthew advises property industry clients across the real estate, retail and financial institutions sectors.

Mark Sperotto is a partner in the London office of Gibson, Dunn and Crutcher and a member of the Corporate Transactional practice group. Mr. Sperotto has broad experience in both the UK and Italian markets, covering all aspects of corporate, private equity and investment banking with a focus on cross-border M&A, leveraged buy-outs, fund establishment and international corporate finance and equity capital markets transactions. Mr. Sperotto’s experience extends to advising private equ...

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 ...

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 ...

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...