Jonathan Chambers

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...

Mr. Corte has acted on a number of complex and/or contested takeover assignments and trans-Atlantic transactions, including:Adevinta ASA in its announced US$9.2 billion acquisition of eBay Classifieds Group from eBay Inc.;Intel Corporation’s US$15.3 billion acquisition of Mobileye N.V.;Konecranes’ proposed all-stock merger with Terex Corporation (NYSE) and its subsequent acquisition of a division of Terex;VimpelCom’s (now VEON) US$30 billion exchange offer for OJSC VimpelCom...

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...

Jason Hambury is a lawyer recognized by Best Lawyers in the practice areas of Construction Law and International Arbitration. Jason practices law in London, United Kingdom Best Lawyers has recognized Jason Hambury 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 Jason Hambury is held by other lawyers.

Karel Daele is a lawyer recognized by Best Lawyers in the practice area of International Arbitration. Karel practices law in London, United Kingdom Best Lawyers has recognized Karel Daele 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 Karel Daele is held by other lawyers.

Franz Schwarz focuses on complex multi-jurisdictional disputes. He has extensive experience with arbitral practice, procedure and advocacy both in civil and common law systems. Mr. Schwarz has been involved in more than 250 arbitrations as counsel and arbitrator, both ad-hoc and before all major arbitral institutions (including ICC, LCIA, Vienna and Stockholm), at multiple seats and governed by a broad variety of substantive and procedural laws. He has a particular focus on joint venture, M&a...

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...

Robert Haak is a lawyer recognized by Best Lawyers in the practice area of High Yield Products. Robert practices law in London, United Kingdom Best Lawyers has recognized Robert Haak 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 Robert Haak is held by other lawyers.

Deborah Ruff leads Pillsbury’s Arbitration - U.S. & International practice. She has extensive experience in multi-jurisdiction disputes, with a focus on high-value and complex international arbitration in the energy, infrastructure and construction, telecommunications and financial sectors. Deborah conducts international arbitration disputes often over JOAs, the construction of and off-take from refineries and petrochemical plants, as well as rig, energy trading and transport, and c...

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...