Rik de Greef, MSc

Rik de Greef is a Senior VicePresident of Global Quantitative Science Services at Certara. Rik was trained as a PK-PD scientist at Leiden University, The Netherlands.

Over the years, Rik has taken on roles with increasing responsibilities within Organon and its successor companies Schering-Plough and Merck/MSD. Most recently, has was site lead for Clinical PK-PD. In this role he has led the expansion of the group from 15 to 34 coworkers. Also, he has led the preparations of the early clinical components of the BLA submission for Merck’s key program in oncology, pembrolizumab.