Mark Nicholson

James Cox is a partner in the London office of Gibson, Dunn & Crutcher and a member of the firm’s Labour and Employment Practice Group. Mr. Cox has extensive experience in contentious and non-contentious labor and employment matters, with an emphasis on cross-border employment issues, collective labor and industrial disputes, redundancies and workforce restructurings, ARD/TUPE, the employment aspects of public and private mergers and acquisitions and outsourcing arrangements, corpor...

Patrick Doris is a partner in Gibson Dunn’s Dispute Resolution Group in London, where he specialises in global white-collar investigations, commercial litigation and complex compliance advisory matters. Mr. Doris’ practice covers a wide range of disputes, including white-collar crime, internal and regulatory investigations, transnational litigation, class actions, contentious antitrust matters and administrative law challenges against governmental decision-making. Mr. Doris handle...

Alison Dennis is a lawyer recognized by Best Lawyers in the practice area of Life Sciences Law. Alison practices law in London, United Kingdom Best Lawyers has recognized Alison Dennis since 2015. 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 Alison Dennis is held by other lawyers.

Adrian Toutoungi is a lawyer recognized by Best Lawyers in the practice area of Intellectual Property Law. Adrian practices law in Cambridge, United Kingdom Best Lawyers has recognized Adrian Toutoungi since 2015. 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 Adrian Toutoungi is held by other lawyers.

When multinational corporations consider major transactions, tax implications often make or break the deal. Charlotte Sallabank advises on those implications, advising clients on the direct and indirect tax consequences of their largest business decisions. Her creativity, persuasive power and close attention to her clients' business aspirations consistently result in solutions that make them a reality.A complete perspective on tax-planning issuesWith more than 30 years of experience advising ...

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.

Mark's practice covers cross border inward investment, syndicated lending, structured export credit finance, structured trade and commodity finance, debt restructurings and asset finance. Mark is recognized in The Legal 500 UK as "excelling" in structured export credit transactions and is praised for his "commercial and user-friendly approach."Mark advises on ESG financings including hospitals, clean energy and transportation.Mark also advises on financial crime, modern slavery, bribery and c...

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...

Eleanor West advises clients on UK and international private equity investments and buyout transactions, acting for institutions and management teams. Eleanor also advises corporate clients on cross-border merger and acquisition, joint venture and restructuring matters.

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.