Martin Thomas

Joel D. Harrison is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law and Outsourcing. Joel D., who practices law in London, United Kingdom, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joel D. is held by other top lawyers in the same geographic and legal practice area.

Kate Davies K.C. is a top attorney recognized by Best Lawyers in the practice area(s) of International Arbitration. Kate, who practices law in London, United Kingdom, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kate is held by other top lawyers in the same geographic and legal practice area.

Graham Iversen focuses his practice on corporate tax matters, including mergers and acquisitions, private equity transactions, joint ventures, partnerships, corporate restructurings, debt and equity finance, derivatives, structured investments, real estate and tax disputes. Graham joined the firm from Slaughter and May in London, where he was a partner in the firm’s London office in their tax department for more than 14 years. He has been a corporate tax attorney for more than 22 years,...

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...

Trevor has over 30 years of experience in providing corporate and international tax advice. His practice focuses on advising client on the tax planning aspects of international transactions and strategic tax planning for global clients. He has particular experience in advising clients in the technology sector and IP-rich companies.Trevor has also advised clients on the design and implementation of global private equity and investment funds, including advising executive teams on the structurin...

Dorothee Fischer-Appelt is a New York and English-qualified shareholder with 24 years' experience in international capital markets and M&A transactions. She represents companies, financial institutions and selling shareholders in connection with international equity and debt capital markets transactions, including IPOs, secondary equity offerings, structured equity offerings, convertibles, warrants, block trades, high yield offerings, Rule 144A debt offerings, covered bonds, exchange offe...

Jason Hambury is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and International Arbitration. Jason, 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 Jason is held by other top lawyers in the same geographic and legal practice area.

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.

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...

Mr. Macaulay has been recommended as a leading individual for over a decade in both Chambers UK and The Legal 500 UK. He has been described in these publications as an “unflappable” lawyer who “has extremely good judgement and is a ruthless tactician;” and is “rock solid;” “tenacious;” “a financial disputes expert;” and a “seasoned litigator.” He was included in Who’s Who Legal: Arbitration 2021’s annual Globa...