Jeff Chang ()

Jeff is a musician and technologist who grew up playing piano, clarinet, and bass guitar, and has been releasing progressive house music as JC++ (jcplusplus.com) since 2018. He has over 14 years of experience in product management, and has played an instrumental role in building large-scale products like Google Chrome, Android, and YouTube. He joined Google DeepMind in early 2025 as the product lead for the Lyria team.