Senior Scientist, Lawrence Berkeley National Lab

Full Professor, University of Rome La Sapienza, Italy

University of California, Irvine

Professor of Astrophysics, Lancaster University

Professor, Universitäts-Sternwarte München, Fakultät für Physik, Ludwig-Maximilians …

Professor of Physics, Southern Methodist University

Fermilab, University of Chicago

University of Michigan

Research Scientist, University of Michigan

Professor of Astronomy, Leiden University