Sian Gibbon

Kate Davies K.C. is a top attorney recognized by Best Lawyers in the practice area(s) of International Arbitration. Kate, who practices law in London, United Kingdom, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kate is held by other top lawyers in the same geographic and legal practice area.

Mitasha Chandok is an experienced corporate associate in the London office of Gibson, Dunn & Crutcher. She is a member of the firm’s Oil and Gas, Energy and Infrastructure, Power and Renewables, Mergers and Acquisitions, and Private Equity practice groups and the Environmental, Social and Governance (ESG) practice. Mitasha’s experience includes mergers and acquisitions, joint ventures, project development and financing, and corporate advisory work. She routinely advises client...

Christopher Agnoli is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Christopher, 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 Christopher is held by other top lawyers in the same geographic and legal practice area.

Graham Iversen focuses his practice on corporate tax matters, including mergers and acquisitions, private equity transactions, joint ventures, partnerships, corporate restructurings, debt and equity finance, derivatives, structured investments, real estate and tax disputes. Graham joined the firm from Slaughter and May in London, where he was a partner in the firm’s London office in their tax department for more than 14 years. He has been a corporate tax attorney for more than 22 years,...

Al Gourley is a Partner at the firm’s London office. He is a globally-recognised resource lawyer, having led many UK and Canadian initial public offerings, secondary and alternative finance transactions, as well as mergers and acquisitions, in the resource sector, particularly cross-border transactions involving Europe, Africa, Australia and Canada. Al is also the Chairman of the World Initiative of Mining Lawyers based in Europe. Al is known for his knowledge of “pure” mini...

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.

Rohan Massey is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Protection Law. Rohan, 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 Rohan is held by other top lawyers in the same geographic and legal practice area.

?Mitri J. Najjar is a partner in the London office. He is admitted in both Washington D.C. and New York. He has 30 years of experience representing a wide variety of clients in numerous international transactions. Mr Najjar has resided and practiced law in Riyadh, New York City, Washington D.C., Dubai and London. He works extensively in the international commercial and banking areas, as well as on domestic securities matters and acquisitions. Mr. Najjar is ranked as a ‘foreign expert&rs...

Robert Haak is a top attorney recognized by Best Lawyers in the practice area(s) of High Yield Products. Robert, 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 Robert is held by other top lawyers in the same geographic and legal practice area.

Christopher Harrison has over 25 years’ experience advising financial institutions, funds and corporate and government entities on complex capital markets and leveraged finance transactions. He is a thorough and skilled practitioner in a variety of industries including media, telecommunications, transportation, energy and financial services.A client-centric approach to capital markets and finance mattersChristopher has vast experience working with investment funds and advising on effect...