GSK’s Emma Walmsley to step down as CEO0 SHARESPosted: 29 September 2025 | Dominic Tyer (European Pharmaceutical Review) |In a surprise announcement, she will be replaced at the UK pharma company by its Chief Commercial Officer Luke Miels. GlaxoSmithKline (GSK) has made a surprise change in its top leadership, appointing Luke Miels to replace its current Chief Executive Officer Dame Emma Walmsley. As CEO, you hope to leave the company you love stronger than you found it and prepare for seamless succession. Her replacement, Luke Miels, was appointed under her tenue as GSK’s Chief Commercial Officer and currently has global responsibility for medicines and vaccines. Prior to joining the company Miels (pictured above) served in senior roles at AstraZeneca, Roche and Sanofi.