Senior Scientist, Ruđer Bošković Institute

Lecturer, University of Freiburg, Germany

Professor of Theoretical Physics, RWTH Aachen University

Department of Physics. "Universidad Nacional de La Plata"University of La Plata. Argentina

Departamento de Física Atómica, Molecular y Nuclear, Universidad de Sevilla

Complutense University of Madrid

Postdoc, Los Alamos National Laboratory