Hayato Ohshima, D.D.S., Ph.D.: Dr. Ohshima is an anatomist who specializes in oral anatomy, oral histology and development. He graduated from the Faculty of Dentistry, Niigata University (1987), passed the National Examination for Dental Practitioners (D.D.S.) (1987), and received a Ph.D. from Niigata University Graduate School of Dentistry (1991). His research has focused on pulp biology and tooth development: He aims at the realization of pulpal or/and periodontal tissue regeneration on the basis of clarification of the mechanisms regulating the pulpal healing following tooth injuries such as cavity preparation and tooth replantation/transplantation in addition to the tooth development. Dr. Ohshima is an educational and research professor in the Faulty of Dentistry, Niigata University and the Niigata University Graduate School of Medical and Dental Sciences (Division of Anatomy and Cell Biology of the Hard Tissue) (2002). Dr. Ohshima serves on the Vice Editor-in-Chief of the Journal of Oral Biosciences (Editor-in-Chief 2009-2018). In addition, he belongs to several academic societies: Japanese Society for Regenerative Medicine (Representative), Japanese Association for Oral Biology (Representative, Director), International Association for Dental Research (IADR), Japanese Association of Anatomists (Representative), Japanese Society of Microscope (Representative), Japanese Dental Education Association (Representative), and Niigata Dental Society (Council).