Christoph Donner is Chairman of the Board and is responsible for the Executive Board’s Technology and River Basin Management division of the Ruhr River Association since May 1, 2025.

Previously, from 2023 to 2024, he served as Chairman of the Board and Chief Technical Officer of Berliner Wasserbetriebe, where he focused in particular on urban water infrastructure, “sponge city” concepts, drinking water and wastewater treatment, and energy issues. He was also active in subsidiaries such as the Berlin Water Competence Center, the Rainwater Agency, and Berliner Stadtwerke.

From 2017 to 2023, Christoph Donner served as Technical Managing Director of Harzwasserwerke, where his responsibilities included dam and reservoir management, drinking water extraction and treatment, and long-distance water supply. Previous positions included roles at the Rheinisch-Westfälische Wasserwerksgesellschaft (RWW) in Mülheim (as Technical Director), the Berliner Wasserbetriebe (Head of Corporate Development and National Investments), and Berlinwasser International (Mergers & Acquisitions division).

He began his career at VaTech Wabag in Vienna. Christoph Donner studied applied geosciences with a focus on hydrology in Clausthal and Tübingen and earned his doctorate on water treatment processes for surface water using adsorbent materials.