William Massey

Robert Spano is a top attorney recognized by Best Lawyers in the practice area(s) of Human Rights Law and Public International Law. Robert, 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 Robert is held by other top lawyers in the same geographic and legal practice area.

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...

Sebastian FitzGerald is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Sebastian, 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 Sebastian 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...

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.

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...

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...

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...

Anthony Maton has more than 25 years' experience of litigating claims in the UK, Europe and across the globe. In 2009, Anthony co-founded Hausfeld & Co LLP in London which he led as Managing Partner until 2021. He was appointed Global Co-Chair in January 2022.

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...