Born 1970 in Grenoble, France. Master in Astrophysics, Université Paul Sabatier, Toulouse, France (1994), Aerospace Engineer, Ecole nationale supérieure de l'aéronautique et de l'espace, Toulouse, France (1994), PhD in Physics, Stanford University, USA (2003), Max Planck Research Group leader at the Max Planck Institute for Solar System Research (2005-2011), JOSO Prize for Solar Physics (2005), Starting Grant of the European Research Council (2007), Adjunct Professor, University of Göttingen (2009), Karen Harvey Prize of the American Astronomical Society (2009), Full Professor, University of Göttingen (since 2011), Director and Scientific Member at the Max Planck Institute for Solar System Research (since 2011).