Professor of research of the Spanish Research Council at the Instituto de Fisica Corpuscular (IFIC) in Valencia.
Presently working in the ATLAS experiment at CERN and highly engaged in the future Linear Collider project.
Working on measurements of the top quark properties and mainly interested in precise determinations of the top-quark mass.
In the detector front his involvement covers the area of silicon detectors for vertex and tracking detectors.
Member of various national/international committees, has served as chair in the IUPAP commission of particle and fields while presently chairs the ECFA European Linear Collider study.