Olaf studied chemistry at the VU University Amsterdam and obtained a PhD in physics there as well. Following postdoctoral research in New York City and Amsterdam, he continued his career within industry. Olaf worked for ASML, TNO and as a consultant in life sciences within various organisations. Since 2012 he has been head of the Science department at Yakult Nederland B.V., and a member of the Management Team. In addition from 2016, he is also part time Assistant Professor the VU University focusing on the valorization and computational modelling of microbiota management.