Dr Robin Brown has been the company's chairman since July 2018; he has a PhD in molecular biology and has worked in venture capital at Advent Healthcare. The company has no shareholders.
Previously, Professor Graham Boulnois was chairman from January 2016; he was head of research from 1992 to 2000 at Zeneca Pharmaceuticals in Cheshire, and Professor of Microbiology from 1984 to 1992 at the University of Leicester.