Yang Zhou is an Assistant Professor at UC Davis. He was a postdoc in UC Berkeley SkyLab, working with Ion Stoica. He got his Ph.D. from Harvard, advised by Minlan Yu and James Mickens. He has equal interests in core systems and ML systems research, including GPU communication, LLM efficiency, and heterogeneous computing. He is currently working on the UCCL project to build efficient and flexible GPU communication systems. UCCL has been adopted by AMD TheRock software ecosystem, AMD Primus training framework, Nvidia NIXL transfer library, IBM/Google/Red Hat llm-d serving framework, and Moonshot AI (Kimi) EP communication, and is being tech-transferred to AWS, Anyscale, and Intel. Part of the UCCL transport design has been used/adopted by Meta and xAI.