Roger Leese

Brenda Coleman specialises in all aspects of corporate tax including private equity, fund formation, public and private M&A, restructurings, complex financings and tax disputes. Her experience includes acting for private equity funds, multi-asset managers, LPs, multinational companies, banks, hedge funds, Sovereign wealth funds and various UK Government departments. Brenda is described in Chambers UK 2022 as “extremely capable, very analytical and very thorough.” Clients say &...

Raminta Dereskeviciute focuses her practice on product compliance, trade regulation (sanctions and export controls) and ESG. She has significant experience in advising on EU and UK chemical legislation (REACH), product safety and liability rules and frequently represents clients before the European Chemicals Agency Board of Appeal. Raminta also advises businesses on the implications Brexit has in relation to a range of regulatory compliance issues. Raminta counsels clients on the EU and the U...

Rohan Massey is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Protection Law. Rohan, 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 Rohan 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...

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.

?Mitri J. Najjar is a partner in the London office. He is admitted in both Washington D.C. and New York. He has 30 years of experience representing a wide variety of clients in numerous international transactions. Mr Najjar has resided and practiced law in Riyadh, New York City, Washington D.C., Dubai and London. He works extensively in the international commercial and banking areas, as well as on domestic securities matters and acquisitions. Mr. Najjar is ranked as a ‘foreign expert&rs...

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.

Mitasha Chandok is an experienced corporate associate in the London office of Gibson, Dunn & Crutcher. She is a member of the firm’s Oil and Gas, Energy and Infrastructure, Power and Renewables, Mergers and Acquisitions, and Private Equity practice groups and the Environmental, Social and Governance (ESG) practice. Mitasha’s experience includes mergers and acquisitions, joint ventures, project development and financing, and corporate advisory work. She routinely advises client...

Arvin Abraham is a top attorney recognized by Best Lawyers in the practice area(s) of FinTech. Arvin, 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 Arvin is held by other top lawyers in the same geographic and legal practice area.

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.