Mr Kollbach has been Managing Director of Stadtwerke Schüttorf-Emsbüren GmbH and Trink- und Abwasserverband Bad Bentheim, Schüttorf, Salzbergen and Emsbüren since 2020. He has worked for Stadtwerke Gronau in various positions since 2001: Trained as an energy electronics technician, electrician, project manager for waterworks, project manager for electricity, head of the network control room, head of the operational technical division. In the course of his professional development, he completed the educational path to master craftsman in electrical engineering and metal on the side, completed a bachelor’s degree in industrial engineering, obtained a master’s degree as a network engineer for electricity, gas and water and deepened his qualifications with an MBA&Eng. in industrial engineering.