Dr. Toshiro Arai is a professor of Veterinary Biochemistry at Nippon Veterinary and Life Science University (NVLU) School of Veterinary Medicine. He obtained his DVM in 1981 and PhD in 1986 at NVLU. He started working as assistant professor at NVLU, then worked for University of Michigan at Ann Arbor, Medical School as postdoctoral fellow. He came back to NVLU in 1990, where he served as Chief of Department of Veterinary Basic Sciences, Chief of School of Veterinary Medicine, and Dean of Faculty of Veterinary Science. Dr. Arai has authored more than 160 peer-reviewed research publications in clinical biochemistry and pathology, with focus on veterinary biochemistry and pathology including comparative energy metabolism and metabolic disorders in various animals. He receives some big grants for research and education from the governmental societies and private enterprises. He is chairman and councilor of some scientific societies, Japanese Society of Veterinary Clinical Pathology, Japanese Society for Veterinary Science and Japanese Association for Laboratory Animal Science. Dr. Arai is the recipient of several research and service awards and was a winner of 2014 Heiner Sommer Prize of the International Society for Animal Clinical Pathology.