Member of the Supervisory Board since January 1, 2013, appointed until the shareholders' meeting 2023, Senior Vice President, Customer & Public Relations at Deutsche Telekom Business Solutions GmbH, Bonn, Group Officer for Digital Education and School at Deutsche Telekom AG, Bonn, Chairwoman of the Executive Staff Representation Committee of Deutsche Telekom Business Solutions GmbH, Bonn, Deputy Chairwoman of the Group Executive Staff Representation Committee of Deutsche Telekom AG, Bonn.