Early career From 1998 to 2003, Wildberger worked as a management consultant at the
Boston Consulting Group. He subsequently held international leadership roles in the telecommunications industry at
T-Mobile,
Vodafone plc, and
Telstra Group Limited. He was also a director of the Telstra Foundation. Wildberger oversaw the launch of several strategic products and services, such as Telstra Air, Australia's largest Wi-Fi Network, and Telstra TV, a streaming platform. During his tenure, Telstra also introduced its Discovery Store concept with interactive technology and personalized services.
EON From 2016 to 2021, Wildberger served on the Board of Management of
E.ON SE, responsible for E.ON’s Customer Business Unit and IT, overseeing Energy Management, Decentralized Energy Solutions, E-Mobility, Innovation, Brand and Marketing, IT, and E.ON’s digital transformation. During Wildberger's tenure,
E.ON launched E.ON Home in 2019, an energy management system developed in collaboration with
Microsoft. This platform integrated diverse home energy applications—including rooftop solar panels, electric vehicle (EV) chargers, and battery storage—into a unified digital interface
. The venture focused on sustainability, customer service and operational efficiency, powered by digital solutions.
MediaMarkt Saturn From August 1, 2021 to May 5, 2025, Wildberger was CEO of
Ceconomy AG and its subsidiary,
MediaMarktSaturn Retail Group. His tenure focused on addressing post-pandemic challenges, resolving a governance dispute among stakeholders and implementing a new strategic direction for the company. In May 2022, Wildberger introduced a strategy aimed at enhancing customer experience, developing omnichannel operations, and diversifying the company's business model. Under Wildberger, the company repositioned itself as an omnichannel service platform and expanded into new areas such as a third-party marketplace and retail media services. Wildberger also directed efforts to modernize stores with new formats and broaden the company's service offerings. Since 6 May 2025, Wildberger has been Germany's first-ever
Federal Minister for Digital Transformation and Government Modernisation. == Other roles and affiliations ==