Professor of Physics, Sofia University

University of Münster, Germany

Professor of Physics, MESA+ Institute of Nanotechnology, University of Twente

Reader (Assoc. Professor), University of Strathclyde

Bhabha Atomic Research Centre

Professor für Physik, University of Oldenburg

Polytechnique Montreal

Professor, IIT Kanpur

Professor, Parma University

Senior Research Scientist, Hitachi Cambridge Laboratory