Huihuo Zheng, ANL Huihuo Zheng is a Computer Scientist at Argonne National Laboratory, where he is part of the AI/ML group within the Argonne Leadership Computing Facility (ALCF) Division. His research interests span high-performance computing (HPC), artificial intelligence (AI) for science, large-scale data management, and parallel I/O systems. He is one of the core members of the AuroraGPT model team, leading efforts in large-scale LLM training, distributed data pipelines, and performance optimization on the Aurora exascale system. In addition, Huihuo serves as a co-chair of the MLPerf Storage Working Group, contributing to the development of benchmark suites for evaluating storage systems in AI workloads. He received his Ph.D. in Physics from the University of Illinois at Urbana-Champaign in 2016, with a research background in condensed matter physics and expertise in first-principles simulations using density functional theory and quantum Monte Carlo methods.