Paul Riechers is a theoretical physicist with expertise in the physics of information, and the ultimate limits of learning and inference. He co-founded and leads AI interpretability research at Simplex, investigating internal representations and emergent behaviors of AI. He is concurrently a Senior Fellow at UCLA’s Mathematics of Intelligences program at the Institute for Pure and Applied Math (IPAM). As co-founder and Senior Scientist at the Beyond Institute for Theoretical Science (BITS), he seeks to understand the trajectory and limits of intelligence in our universe.