Therosteon

Leo van Wersch, chairman

Leo was Vice-President of Procter & Gamble Pharmaceuticals Europe before he retired in 2003. Prior to joining Proctor Mr van Wersch worked with Gist-Brocades and hold various positions before becoming president of the Gist-Brocades Group in France. Mr van Wersch holds a masters degree in pharmacy and law from Leiden University.

Joost Holthuis

Joost is Chief Operating Officer and Founder of OctoPlus N.V. a public drug delivery and formulation company based in Leiden the Netherlands. Before starting OctoPlus Mr. Holthuis worked for Chiron Corporation. Joost Holthuis holds a masters degree in pharmacy of the Leiden University and a Ph.D. degree from the Utrecht University.

Harm de Vries

Harm is a partner at the Erasmus MC Biomedical Fund. Harm has over 8 years experience in the life sciences venture capital industry and has been involved in many European biotech investments.