Max-Planck-Institute for Astrophysics

Director Leibniz Institute for Astrophysics Potsdam (AIP)

University of Idaho

Leiden Observatory, Leiden University

Professor of Astronomy, University of Illinois at Urbana-Champaign

Associate Professor, University of Milano-Bicocca

SISSA - Trieste

Distinguished Professor of Physics, University of California San Diego

Professor, Niels Bohr Institute Copenhagen

Columbia University