Ion Stoica is a Professor in the EECS Department and holds the Xu Bao Chancellor Chair at the University of California at Berkeley. He is the Director of the Sky Computing Lab and serves as the Executive Chairman of Databricks and Anyscale.

His current research focuses on AI systems and cloud computing, and he has contributed to numerous open-source projects including SkyPilot, vLLM, ChatBot Arena, Ray, and Apache Spark.

Ion is a Member of the National Academy of Engineering, an Honorary Member of the Romanian Academy, and an ACM Fellow. He has co-founded four companies: LMArena (2025), Anyscale (2019), Databricks (2013), and Conviva (2006).