Sandrine Lemius was appointed in 2026 as Deputy Chief Executive Officer – Responsible Pharmacist ad interim during the transition period between the retirement of Mr. Christophe Ancel and the hiring of his successor. She has held the position of Head of Regulatory Affairs since February 2025 and has also served as Interim Responsible Pharmacist since December 2015. She joined Transgene in 2007 as Regulatory Affairs Manager. Prior to that, she held the position of Responsible Pharmacist at ACM Pharma and worked as Environmental Quality Assurance Representative, then as Regulatory Affairs Representative at Eli Lilly’s French manufacturing site.

Sandrine Lemius qualified as a Doctor of Pharmacy.