Online present: prof.dr. Andrea Taramelli. From left to right: Franka Post (beadle), dr.ir. Ghada El Serafy (co-promotor), prof.dr.ir. Frank van der Meulen (promotor), prof.dr.ir. Herman Russchenberg, dr. Alex Curran (paranymph), prof.dr. Eric Cator, dr. Lörinc Mészáros, prof.dr.ir. Arnold Heemink, Bastien Vidal (paranymph), prof.dr.ir. Geurt Jongbloed (promotor), prof.dr. Arthur Mynett (chair, representing the Rector Magnificus)