Master in Mathematical Sciences (Operations Research), Facultad de Ciencias Matemáticas, Universidad Complutense de Madrid, March 11th 1988, Mark (3.66) (National Prize, Extraordinary Prize). Thesis: Vector Optimization over Time. Tutor: Sixto Ríos. Philosophy Doctor, University of Leeds, School of Computer Studies, March 14th 1990. Thesis: Sensitivity Analysis in Multiobjective Decision Making. Tutor: Simon French. Homologated as PhD in Informatics, Ministry of Science and Education, July 26th 1990. Corresponding member Royal Academy of Sciences, May 26th 1999. Full member Royal Academy of Sciences, February 25th 2008.