Andrew Arentsen

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

??Philip Rocher is the senior partner in the Dispute Resolution Group in Gibson, Dunn & Crutcher’s London office. He specialises in litigation, often with an international element, and regulatory and internal investigations. He has extensive experience in the financial services sectors. Mr. Rocher regularly advises on high value disputes arising from the full range of commercial activities and has taken many large and complex matters through to a concluded trial. In recent years he ...

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

Ceyda Knoebel is an English-Turkish dual-qualified solicitor and Of Counsel in the London office of Gibson, Dunn & Crutcher. She is a member of the firm’s Dispute Resolution and International Arbitration Groups. Ms. Knoebel advises on a wide range of disputes involving public international law and general commercial matters in common and civil law jurisdictions. She has experience in both commercial and investment treaty arbitration proceedings under the UNCITRAL, ICSID, ICC, VIAC a...

Gillian Sproul is a top attorney recognized by Best Lawyers in the practice area(s) of Competition Law. Gillian, 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 Gillian is held by other top lawyers in the same geographic and legal practice area.

Mark Fennessy is the co-head of the London Finance, Restructuring and Special Situations Group. He focuses his practice on contentious and non-contentious restructuring and insolvency matters. He has particular experience in multifaceted group collapses and global insolvency issues. He has been involved in a number of high-profile assignments for banks, funds and various strategic parties. Mark leads a team with unrivalled expertise in special situations, including in relation to assets facin...

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.

Zaneta Wykowska is a top attorney recognized by Best Lawyers in the practice area(s) of Securitisation Law. Zaneta, 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 Zaneta 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...

Bill Schnoor is a partner in and former co-chair of the firm’s Technology and Life Sciences groups. He works in all areas of corporate, securities and partnership laws, with a primary focus on advising high-growth technology and life sciences companies. He joined Goodwin in 2005, after a 21-year career with Testa, Hurwitz & Thibeault, LLP, and quickly became co-chair of Goodwin’s technology and life sciences practices. Under his leadership the Technology and Life Sciences grou...