AC Immune SA named Marie Kosco-Vilbois as chief scientific officer.

Prior to joining the company, Kosco-Vilbois was the chief scientific officer of Novimmune SA, a Switzerland-based biopharmaceutical company that develops antibody-based drugs for treating inflammatory diseases, immune-related disorders and cancer.

Kosco-Vilbois succeeds Andreas Muhs, who died. Kosco-Vilbois will report directly to CEO Andrea Pfeifer.

AC Immune, also based in Switzerland, develops therapeutics and diagnostic products to prevent and modify diseases caused by misfolding proteins.