Glenn K. Lockwood is a Principal Engineer at Microsoft, where he is responsible for supporting Microsoft's largest AI supercomputers through workload-driven systems design. His work has focused on applied research and development in extreme-scale and parallel computing systems for high-performance computing, and he has specific expertise in scalable architectures, performance modeling, and emerging technologies for I/O and storage. Prior to joining Microsoft, Glenn led the design and validation of several large-scale storage systems, including the world's first 30+ PB all-NVMe Lustre file system for the Perlmutter supercomputer at NERSC. He has also authored numerous peer-reviewed papers and reports on HPC storage topics and contributed to various reviews and advisory roles in U.S. and European research programs. He holds a Ph.D. in Materials Science from Rutgers University.