John Workman

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...

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...

Nigel van Zyl specializes in advising asset managers, institutional investors and investment advisors across the full spectrum of investment fund matters. Praised for his keen business sense and practical approach, Nigel advises leading international fund managers on all aspects of their fund business, including the formation, raising, maintenance and ongoing operation and compliance of their investment funds. He also advises on internal governance, compliance and organization, carried intere...

Mark Beardsworth is a partner in Cadwalader’s White Collar Defense and Investigations Group, resident in the London office. Mark focuses his practice in the defense of serious fraud and criminal matters and has been involved in prosecutions brought by the Serious Fraud Office, the Financial Services Authority, HM Revenue and Customs, the Financial Reporting Council and the Environment Agency. These cases are often complex, high profile and international in nature. Mark has a special int...

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...

Charlie Caher is a top attorney recognized by Best Lawyers in the practice area(s) of International Arbitration. Charlie, 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 Charlie 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...

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...

Eve Ellis is a partner in Ropes & Gray’s asset management group specializing in financial services regulation. Eve provides advice across a broad range of regulatory matters with a particular focus on fund regulation and has done so for over 15 years. In the latest edition of The Legal 500, clients describe Eve as “excellent,” “personable, accessible, very knowledgeable and commercially-focused.” Peers comment they are “impressed by her knowledge and co...

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.