Daniel Chao is the co-founder of Halo Neuroscience. The former CEO, he now sits on Halo’s board, and serves as CEO of the startup System1 Biosciences. Chao has a BA in biochemistry from UC Berkeley and an MS in neuroscience and an MD from Stanford. He serves on the Board of Advisors for the Ann Romney Center for Neurologic Disease at Brigham and Women’s Hospital.