Hiroyuki Okamura received BE and ME degrees and a PhD degree in Engineering from Hiroshima University, Japan, in 1995,1997, and 2001, respectively. In 1998 he joined Hiroshima University as an Assistant Professor, and has been currently working as a full Professor since 2018. Dr. Okamura was a visiting researcher at the Hudson School of Engineering, Duke University, USA, in 2006. His research areas include performance evaluation, software engineering and dependable computing. He is a regular member of ORSJ, IEICE, JSIAM, IPSJ, REAJ, ACM, and IEEE. He serves as a member of the Editorial Board of Communications in Statistics—Stochastic Models.