Dr Sebastian Hallensleben is the Chair of CEN-CENELEC JTC 21 where European AI standards to underpin EU regulation are being developed, and co-chairs the AI risk and accountability work at OECD. Sebastian is the initiator and Programme Chair of the Digital Trust Convention and is Principal Advisor Digital Trust at KI Park. As Chief Trust Officer at resaro, he works towards drilling down to ground truths about capabilities of AI systems. – Previously, Sebastian Hallensleben headed Digitalisation and Artificial Intelligence at VDE Association for Electrical, Electronic and Information Technologies. He focuses in particular on operationalising AI ethics, on characterizing AI quality and on building privacy-preserving trust infrastructures for a more resilient digital space.