Medical Medical Specialist Area Surgery. Clinical Hospital "San Carlos". Madrid. 1986-1987.
Associate Professor. Facultative Specialist in the Surgery Area. School of Medicine. Clinical Hospital "San Carlos". Complutense University. Madrid. 1987-1992.
Associate Professor. Head of Section Surgery. School of Medicine. Clinical Hospital "San Carlos". Complutense University. Madrid. 1992-2000.
Professor of Surgery. Head of Section Surgery. School of Medicine. Clinical Hospital "San Carlos". Complutense University. Madrid. 2000-2001.