Astrid Kellermann, formerly of Siemens Mobility and now a trainer at Siemens Mobility ITS Academy, is an expert in mobility and transportation innovation management. With a focus on smart cities, digitalization, and green portfolio, Kellermann has a wealth of experience in the industry, having previously held roles as an innovation manager, product manager, and head of traffic management at companies such as Pöyry Infra Traffic and SSP Consult GmbH. Kellermann's educational background in civil engineering from the Technische Universität München has enabled her to approach transportation challenges with a holistic perspective, incorporating technical knowledge with a strategic business acumen.