John Barker

Stephen Pollard is a seasoned litigator with more than 30 years of experience in the full spectrum of business crime and securities enforcement work. During his career, Mr. Pollard has been involved in most of the significant business crime investigations and prosecutions brought by the UK authorities. Mr. Pollard has particular experience in representing senior individuals from public and private companies, including those from the financial services sector. In addition, Mr. Pollard is regul...

Robert Parson is a top attorney recognized by Best Lawyers in the practice area(s) of Commodities. Robert, who practices law in London, United Kingdom, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert is held by other top lawyers in the same geographic and legal practice area.

Penny Madden is an English qualified Queen’s Counsel and serves as Co-Partner-in-Charge of the London office at Gibson, Dunn & Crutcher. She is Co-Chair of the International Arbitration Practice Group and a member of the firm’s Transnational Litigation Practice Group. She has a wide range of experience in all key aspects of international arbitration with particular expertise in shareholder, telecommunications, SPA, energy, international trade and insurance disputes. She repres...

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...

Erik Dahl is a top attorney recognized by Best Lawyers in the practice area(s) of Private Equity Law. Erik, 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 Erik is held by other top lawyers in the same geographic and legal practice area.

Josh Dambacher is a top attorney recognized by Best Lawyers in the practice area(s) of Investment Funds. Josh, who practices law in London, United Kingdom, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Josh is held by other top lawyers in the same geographic and legal practice area.

Steven Cowins is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Steven, 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 Steven is held by other top lawyers in the same geographic and legal practice area.

Dorothee Fischer-Appelt is a New York and English-qualified shareholder with 24 years' experience in international capital markets and M&A transactions. She represents companies, financial institutions and selling shareholders in connection with international equity and debt capital markets transactions, including IPOs, secondary equity offerings, structured equity offerings, convertibles, warrants, block trades, high yield offerings, Rule 144A debt offerings, covered bonds, exchange offe...

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.

Simon Cook has experience in a wide variety of banking and finance transactions, including in particular in relation to structured trade finance, trade finance, project finance, invoice discounting facilities and borrowing-base facilities in Africa, the Middle East, Asia and the CIS. His work in the structured trade area covers a range of pre-export and prepayment financings acting for both lenders and borrowers notably in oil, telecoms, soft commodities and metals sectors with particular exp...