Dr. Butler-Ransohoff studied Chemistry at Heidelberg University and the MPI for Medical Research. After earning a doctorate in 1986, he worked for two years in Emil T Kaiser’s lab at Rockefeller University, he joined Bayer as Medicinal Chemist (1988). Since then he has had changing responsibilities such as Project Manager, bringing new compounds to clinical proof-of-concept, several corporate staff functions such as Head R&D Coordination of Bayer AG and leading a Therapeutic Cancer Vaccine Program with Bayer Innovation GmbH. He is as a member of the Investment Committee of HTGF –Europe’s biggest seed fund- as part of his current role at Bayer Pharmaceuticals’s Global External Innovation and Alliances. He is a visiting Professor at the Department for Infection and Immunity, Saint George’s University of London.