Stefan Thelen began working in marketing at Telekom Deutschland GmbH in 2010. In 2017 he switched to sports marketing, holding various positions with responsibility for exclusive sports contents of Telekom. He covers the German Ice Hockey League, among other sports, in the context of the media partnership for MagentaSport. Additionally he was Project Leader for MagentaTV, accompanying the major events UEFA EURO 2020 and FIFA World Cup 2022. At the upcoming UEFA EURO 2024 in Germany he will also lead the partial project Sports Content for MagentaTV. As Business Owner he is moreover responsible for the product MagentaSport, which allows him to bring his sports enthusiasm to his job every day.