Fiona O'Kane

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...

Sandro de Bernardini is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Sandro, 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 Sandro 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...

Lincoln Tsang is a top attorney recognized by Best Lawyers in the practice area(s) of Life Sciences Law. Lincoln, 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 Lincoln is held by other top lawyers in the same geographic and legal practice area.

Sunay Radia focuses his practice on financial restructuring transactions, including high yield bond and LBO workouts, refinancings, consensual and nonconsensual restructurings, enforcements and distressed asset sales. He has advised on a number of complex cross border matters for creditors (including direct lenders and distressed debt funds) and sponsors. Sunay also has a wealth of experience in origination banking and finance matters, including acquisition finance and real estate finance tra...

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...

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.

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...

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.

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.