Professor of Astrophysics & Cosmology, Padova University

CNRS Research director, IAP (Institut d'Astrophysique de Paris)

Universidad de Oviedo- ICTEA - Grupo Modelización Matemática Aplicada

LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France

Tenured Scientist, Instituto de Física de Cantabria, IFCA

University of Sheffield

LPF archive scientist, ESA

Professor of Physics, University of California, Berkeley

AIMS-ARETE chair, AIMS

Universidad de Cantabria