The Institute of Optics, University of Rochester

Max Planck Institute for the Structure and Dynamics of Matter & University of Oxford

full professor, Radboud University, Nijmegen

Professor of Physics, Georgia Institute of Technology

Professor of Physics, University of Toronto

Professor, Delft University of Technology, The Netherlands

Bundesanstalt für Materialforschung und –prüfung (BAM), Berlin, Germany

The University of Texas at Austin

University of Trieste; Elettra Sincrotrone Trieste; International Faculty University of Cologne

Professor for Experimental Physics, University of Oldenburg