On December 22, 2022, Paul Dufossé successfully defended his PhD. Congratulations to Paul and many thanks to the jury members Dirk Arnold, Rodolphe Le Riche, François Fages, Jean-Philippe Ovarlez, Carlos Coello Coello, Marc Schoenauer, Youhei Akimoto, Nikolaus Hansen (academic supervisor), and Cyrille Enderli (industrial supervisor)!