Koki Shimizu is an assistant professor at the Department of Applied Mathematics, Faculty of Science Division I, Tokyo University of Science. Dr. Shimizu graduated from the Tokyo University of Science and completed a master's degree and a doctoral degree at the same university. Additionally, Dr. Shimizu was awarded the Japanese Society of Computational Statistics Paper Award in 2023. Dr. Shimizu's research keywords include multivariate analysis and random matrix theory.

Hiroki Hashiguchi is a professor at the Department of Applied Mathematics, Faculty of Science Division I, Tokyo University of Science. Prof. Dr. Hashiguchi earned, from Kyushu University, his bachelor's degree (1991) and master's degree (1993), and received his Ph.D. from Tokyo University of Science. His research area focuses on the foundations of mathematics and applied mathematics (mathematical statistics).