John MacKenzie

David Edwards is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation. David, 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 David is held by other top lawyers in the same geographic and legal practice area.

Peter Castellon is a top attorney recognized by Best Lawyers in the practice area(s) of Capital Markets Law. Peter, who practices law in London, United Kingdom, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter is held by other top lawyers in the same geographic and legal practice area.

Clive Wells is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Clive, 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 Clive is held by other top lawyers in the same geographic and legal practice area.

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...

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

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

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...

Matthew James Priday is a Co-Chair of the GT London Real Estate Practice. Matthew focuses his practice on commercial real estate and has wide-ranging experience in investments sales and purchases, lettings and development projects. Matthew advises property industry clients across the real estate, retail and financial institutions sectors.

Richard Obank is a partner and the practice group leader of the Firm's Bankruptcy & Corporate Restructuring Practice Group in the U.K. Richard practices in the area of corporate restructuring with particular experience acting for boards of directors in financially distressed situations. He advises regularly on distressed M&A transactions, debt and capital restructuring and work out situations, often involving significant cross-border issues, where the objective is to ensure the best o...