Marc Clausse was appointed Chief Commercial Officer and a member of the Executive Management of Santhera on June 1, 2026. He brings over 25 years of international experience in the life sciences industry, with deep expertise across specialty, oncology and rare diseases.

Most recently, Marc served as VP of International Strategy & Operations and UK General Manager at Mirum Pharmaceuticals, where he defined and executed the company’s international strategy. In this role, he co-led the buildout of regional commercial infrastructure, served as a key decision-maker in market access negotiations, and established distributor partnerships across Europe and other international markets.

Previously, Marc was VP, Oncology Head UK & Ireland at GSK, where he led the ovarian cancer portfolio to a market-leading position and oversaw the integration of Tesaro UK following its acquisition in 2018. Earlier, as General Manager UK & Ireland at Tesaro, he led all commercial, medical and market access functions, establishing pricing and reimbursement pathways and positioning the organization for sustained growth.

Marc holds a Bachelor degree in Biology from the University of San Diego and a Master Degree in Pharmaceutical Law & Marketing from the University of Paris XI.