Team Klaus Ostermann head Bettina Kappler administration David Binder researcher Steven Lolong researcher Aron Müller researcher Marius Müller researcher Ingo Skupin researcher Alumni Jonathan Brachthäuser Yufei Cai Theo Doukas Paolo Giarrusso Birgit Grieg Matthias Hirzel Julian Jabs Luzia Leifheit Tillmann Rendel Philipp Schuster Julia Trieflinger