Gibson Dunn Expands Renowned Labor and Employment Practice with Senior Partner Robbie Sinclair

Firm News  |  March 2, 2026


Gibson Dunn announced today that Robbie Sinclair has joined the firm’s London office as a partner in its renowned Labor and Employment Practice Group. He advises on the full range of contentious and strategic employment matters with a particular focus on complex litigation, crisis management, and investigations.

Robbie’s hire provides a platform in the U.K. for employment litigation matters and meets the key strategic needs of clients in their boardrooms.

Osma Hudda, Co-Chair of the London Disputes Group and Co-Partner in Charge of the London office, said: “Client demand for business protection, complex investigations, whistleblowing-related matters, and employment litigation continues to rise in the U.K., U.S., and other key markets. Building on the strong performance of our transactional practices in London, we are executing a focused expansion of our litigation and investigations bench. Robbie’s practice sits exactly at that intersection and squarely meets client demand.”

Robbie’s arrival will further strengthen Gibson Dunn’s global Labor and Employment practice, which advises multinational corporates and financial institutions on high-stakes matters across key jurisdictions in the U.S., U.K., Europe, the Middle East, and Asia. The group is consistently recognized in the top tier by leading directories and publications, including Chambers, Benchmark Litigation, and other industry and legal-sector rankings and awards.

James Cox, partner in Gibson Dunn’s London Labor and Employment Practice Group, added: “Our Labor and Employment practice is preeminent. Robbie expands our senior bench for High Court litigation, team moves, and investigations. He immediately enhances our seamless support to corporate, private equity, and finance clients through the deal and disputes lifecycle.”

“Gibson Dunn’s internationally renowned Labor and Employment platform together with its integrated global disputes and investigations capability is the right place to take my practice forward,” said Robbie. “Clients want consistent advice across jurisdictions and a team that can move quickly from advisory to enforcement. I’m excited to build that with colleagues in London, the U.S., and internationally.”

This appointment builds on the firm’s continued investment in its disputes platform in London. In recent months, the group has expanded with lateral hires including Christopher Harris KC and Robert Spano alongside internal promotions such as Cassie Aprile and Piers Plumptre.

About Robbie Sinclair

Robbie is recognized as a leading individual for employment law by Chambers UK and The Legal 500 UK. His experience spans business protection and crisis management, investigations, senior exits, restrictive covenants and team moves, complex employment and commercial litigation in the High Court, and employment aspects of M&A and outsourcings.