Chaïm has recently finished his PhD research at Ghent University, Belgium, aimed at data treatment and improvement of the hydrodynamic model structure of the WWTP of Eindhoven, The Netherlands. He has been active in the Management Committee of the IWA Modelling and Integrated Assessment Specialist Group since September 2018, assisting the YWP relations officer of the Group. Currently, he is living in the south of Sweden and actively looking for new career opportunities.