Dr. Joshua Gelhaar is Deputy Head of Department »Mobility & Smart Cities« at Fraunhofer ISST. Holding a PhD in Information Systems from TU Dortmund, he is an expert in data spaces, data governance, and industrial data ecosystems. Bridging applied research and enterprise execution, he has led strategic initiatives such as the Catena-X »Working Group China« and shaped architectures for Gaia-X and International Data Spaces. As a certified Data Scientist with international leadership experience, he combines data sovereignty, industrial AI, and technology strategy to drive scalable digital transformation across global value chains.