Guillaume holds a Master degree in International and European public law and in political sciences from the University Paris X-Nanterre. ​

Guillaume joined Nextep in 2001 as Head of Economic Intelligence and Policy Monitoring. He is the editor in chief of the cabinet’s analysis newsletters and has a thorough knowledge of issues that affect the health sector, Social security and biomedical research. He plays an active role in decision support. ​

Now Senior Expert, he has worked on a large scale of missions concerning both public affairs and market access but also training, with the objective to improve access to health products (especially innovative ones) for patients. ​