Stephan Ziefer

Stephan Ziefer is a seasoned professional with extensive experience in program and portfolio management, particularly in agile methodologies and product development. Currently serving as a Senior Agile Program Manager and Lean Portfolio Manager at 1&1 Mail & Media Applications SE, Stephan also holds the position of Product Owner for the Smart Data Platform. Prior roles include Senior Portfolio Manager at SHE Group, Senior Program Manager at 1&1 Mail & Media Applications SE, and Program Delivery Lead for the Thermomix Digital Ecosystem at Vorwerk Gruppe. Early career highlights include leadership in product development and project management at Cybits AG, as well as consulting roles at VZnet Netzwerke Ltd. and Certitude GmbH. A strong background in telecommunications, eCommerce, and software development enhances Stephan's expertise in handling complex IT projects across various international markets.