Sean Humber

Till Lefranc is a partner in the London office of Gibson, Dunn & Crutcher. Mr. Lefranc is a member of the Private Equity, Mergers and Acquisitions and Capital Markets practice groups. Mr. Lefranc’s practice focuses on private equity, M&A and capital markets transactions across Europe. He advises clients on cross-border acquisitions and divestitures, growth capital investments, buy-outs, shareholder arrangements, minority investments, and management equity arrangements. He also a...

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

Wim De Vlieger is a partner in the London office of Gibson, Dunn & Crutcher. Mr. De Vlieger is Co-Head of Private Equity in Europe and a member of the Mergers and Acquisitions and Capital Markets practice groups. Mr. De Vlieger advises private equity investors and their portfolio companies on a wide range of corporate transactions, including growth equity and control investments and co-investments, structured transactions, buy-out transactions, mergers and acquisitions, and exits. He also...

Carolyn Jackson helps clients solve complex cross-border issues involving the regulation of financial institutions and financial products, including derivatives. Carolyn's depth of knowledge and practical approach are shaped by her first-hand experience: she managed the New York trading desk of several investment banks and was formerly the executive director of the International Swaps and Derivatives Association, Inc. Trading firms, banks, asset managers, clearing houses and trading venues re...

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...

Vincent Zabielski focuses on international nuclear energy matters, including providing strategic advice related to new-build EPC contracts, power purchase agreements, operation and maintenance, fuel supply chain, liability issues, and export controls. Prior to joining Pillsbury, Vincent was Senior Nuclear Counsel for the UAE nuclear new build program, where he was responsible for integration of nuclear licensing strategy with the largest-ever public financing of a public works project. During...

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...

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

Sharon Lamb focuses her practice on transactional and regulatory advice in the health and life sciences sector. Sharon advises on global transactional mandates, including mergers and acquisitions and joint ventures in health services, pharma and life sciences, digital health and health data technologies. Sharon also provides strategic, regulatory and commercial support to UK and international clients on UK health and life sciences with a focus on health services, pharmaceuticals, medical devi...

Steven Finizio's practice focuses on international dispute resolution. Mr. Finizio also serves as an arbitrator. He has particular experience with energy, financial services, shareholder, joint venture and M&A, and manufacturing issues. He has advised clients regarding disputes under the rules of most of the well-recognized international arbitration institutions and governed by the laws of jurisdictions in Europe, Asia, Africa and the US, as well as under bilateral and regional investment...