I obtained my PhD in October 2014 under the supervision of J.-L. Colliot-Thélène (Université Paris-Sud 11) and J. Nicaise (KU Leuven), in a joint degree program during which I divided my time more or less equally between Orsay and Leuven. I spent the academic year 2015-2016 at Imperial College, visiting A. Skorobogatov. I am currently affiliated to Radboud Universiteit Nijmegen and still supported by a postdoctoral fellowship of FWO Vlaanderen.