Professor of Theoretical Physics, Swinburne University of Technology

Assistant Professor of Physics, Trinity College

Indian Institute of science education and research

Professor of Physics, Weizmann Institute of Science

Theoretical Division, Los Alamos National Laboratory

Laboratoire charles fabry, institut optique, CNRS

Full Professor of Theoretical Physics, University of Padova

IPFN, Instituto Superior Técnico, Univ. Lisboa

Professor of Physics, University of Camerino

Professor of Physics, Otago University