Johannes Leon Kirnberger is a policy consultant for AI and sustainability at the in the AI Unit of the OECD Division of Science, Technology and Innovation (STI). He previously led the program on climate action and biodiversity preservation at the Global Partnership on AI (GPAI) and the International Centre of Expertise in Montreal on AI (CEIMIA). Johannes is a member of the UNEP Expert Group on Digital Tech for Circular Economy, where he co-develops a digital transformation roadmap for catalysing digital technologies to accelerate a circular economy. As a guest lecturer at the Technical University of Munich (TUM), he teaches students on climate change and AI policy. He holds a Bachelor of Science in Management from ESCP Business School, a Master of International Public Management from Sciences Po, and a Master in International Affairs, Energy and Environment from Columbia University.