Online present: dr. Moritz Schauer (left) and prof.dr. Michel Mandjes. From left to right: Dr.ir. Joris Bierkens (co-promotor), Franka Post (beadle), prof.dr. Paul Fearnhead, prof.dr.ir. Frank van der Meulen (promotor), Siddhant Khurana (paranymph), dr. Sebastiano Grazzi, prof.dr. Aad van der Vaart, Matteo Corsi (paranymph), prof.dr. Alexandros Beskos, prof.dr.ir. Arjan Mol (chair, representing the Rector magnificus).