Ian Doolittle

Graham Defries is a top attorney recognized by Best Lawyers in the practice area(s) of Life Sciences Law. Graham, 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 Graham is held by other top lawyers in the same geographic and legal practice area.

Helen Croke joined Ropes & Gray as a partner in its private equity transactions group in October 2016. She specialises in UK and international private equity and M&A, including acting for institutional investors, corporates and founders. Helen is recommended by Chambers UK and The Legal 500 as a leading individual in private equity who clients say is “fantastic” with a “unique ability to articulate complicated aspects in layman’s terms.” Helen was recogni...

Partha S. Pal is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Finance. Partha S., 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 Partha S. is held by other top lawyers in the same geographic and legal practice area.

Charlie Caher is a partner in the Firm's Litigation/Controversy Department, and a member of the International Arbitration Practice Group. He joined the Firm in 2008. Mr. Caher is based in the London office, where he practices International Arbitration and English High Court Litigation.

Aymen Mahmoud is the co-head of the London Finance, Restructuring and Special Situations Group. He focuses his practice on complex debt financing transactions for private equity funds and their portfolio companies, hedge funds, corporate borrowers and issuers and other financial institutions including banks, direct lenders, family offices and other alternative sophisticated capital. His experience includes acting in respect of direct lending, leveraged buyouts, domestic and cross-border syndi...

Fiona Adams is the Managing Shareholder of the London office and the Co-Chair of the Global Corporate Practice. She primarily represents corporate clients, focusing her practice on mergers and acquisitions, and other transactional matters. Her work spans a range of industries, including pharmaceuticals, financial institutions, media and retail. Fiona has broad experience working on large, complex cross-border transactions. Fiona continues to be highly recommended by both of the leading indepe...

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 ...

For more information, please visit www.gibsondunn.com/lawyer/nikpay-ali/ .

Lord Grabiner is a commercial lawyer with a substantial court, arbitration and advisory practice. For over 40 years he has been involved in many of the highest profile commercial disputes that have been fought in London. Specialising in banking & finance, energy/oil and gas, civil fraud, competition and merger investigations and shareholder disputes, Lord Grabiner is highly experienced both as an advocate in the High Court and as arbitration counsel. He also sits as an arbitrator in domes...

Clive Wells is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Clive, 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 Clive is held by other top lawyers in the same geographic and legal practice area.