1990- 1994 var han teknisk rådgiver inden for klinisk vurdering og farmakologi i det spanske sundhedsministerium, medlem af CPMP' s arbejdsgruppe vedrørende virkninger og engageret i arbejdet i gruppen om virkninger under ICH.
From 1990 to 1994, he was Technical Counsellor in Clinical Evaluation and Pharmacology at the Spanish Ministry of Health, Member of the CPMP Efficacy Working Party and involved in the Efficacy Group of the ICH.