Phd Université de Paris ,Sorbonne (1979)
Cicle Superieur d Etudes Politiques ,Université de Bordeaux I (1947)
Lawyer ,Universidad de Costa Rica(1973)
Former member of Costa Rican Legislative Assembly(1994-1998).
Presidential Advisor (1998-2002)
Director School of Political Science,Universidad de Costa Rica,1979-1984.