Hiromichi Matsumoto received his Ph.D. from Tohoku University, Sendai, Japan, in 1995. He obtained a Postdoctoral Training at the University of Kansas Medical Center, Kansas City, KS, USA, from 1999 to 2002. He has been working at the Graduate School of Agricultural Science, Tohoku University as an Assistant Professor from 2002 to 2006. In 2006, he joined the Department of Animal Science, Faculty of Agriculture, Utsunomiya University, Utsunomiya, Japan, as an Associate Professor. His specific areas of interest include fertilization, preimplantation development of embryos, uterine receptivity, and reproductive technology.