Nicholas St. John "Nick" Ellis

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 &...

Graham Defries is a lawyer recognized by Best Lawyers in the practice area of Life Sciences Law. Graham practices law in London, United Kingdom Best Lawyers has recognized Graham Defries since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Graham Defries is held by other lawyers.

Simon Airey focuses his practice on global, cross-border and internal investigations, financial and regulatory crime, bribery and corruption, money laundering, tax and fraud inquiries, data breaches, dawn raids, asset tracing, international enforcement and corporate compliance issues. He has conducted a wide range of investigations and corporate defence assignments in different sectors, including construction, defence, financial services, gambling, oil and gas, logistics, pharmaceuticals and ...

Ali Nikpay is a lawyer recognized by Best Lawyers in the practice area of Competition Law. Ali practices law in London, United Kingdom Best Lawyers has recognized Ali Nikpay since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Ali Nikpay is held by other lawyers.

?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...

Zaneta Wykowska is a lawyer recognized by Best Lawyers in the practice area of Securitisation Law. Zaneta practices law in London, United Kingdom Best Lawyers has recognized Zaneta Wykowska since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Zaneta Wykowska is held by other lawyers.

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...

Peter Castellon is a lawyer recognized by Best Lawyers in the practice area of Capital Markets Law. Peter practices law in London, United Kingdom Best Lawyers has recognized Peter Castellon since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Peter Castellon is held by other lawyers.

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,...

Stephen A. Thierbach is a US-qualified corporate partner in the London office of Gibson, Dunn & Crutcher. A senior U.S. securities lawyer, he advises issuers, underwriters and selling shareholders on complex, innovative and multi-jurisdictional offerings of equity, equity-related and debt securities. He has a broad capital markets transactions practice, with a focus on initial public offerings and secondary offerings, and has represented corporates, investment banks, private equity firms ...