Dr. Renjie Ke is a computational scientist specializing in multiphase flow at Leidos Inc. He received his Bachelor's degree from Central South University, China, in 2013, a Master's degree in Mechanical Engineering from Case Western Reserve University, OH, USA, in 2016, and a Ph.D. from Case Western Reserve University in 2023. His expertise includes the mathematical and numerical modeling of particulate and multiphase flows, high-performance computing, and the development of advanced mesh-free numerical methods. He is currently focused on the development and enhancement of MFiX.