Dr. Md Riasat Hasan is an Assistant Professor at the School of Dentistry, Health Sciences University of Hokkaido, Japan. He earned his Ph.D. in Dental Science from the same university, preceded by an MPH in Dental Public Health from American International University-Bangladesh and a BDS from the University of Dhaka. Dr. Hasan has over a decade of experience in dental research and education, with visiting faculty appointments in Bangladesh. His research focuses on dental tissue regeneration, biomaterials, public health dentistry, and translational dental therapeutics. He has published extensively in peer-reviewed journals and has been recognized with multiple international presentation awards, including at ConsAsia, IDCMR, and TIDC. Dr. Hasan is a Fellow of The Royal Society of Public Health, UK, and a recipient of competitive research grants from the Japan Society for the Promotion of Science (JSPS). He is actively engaged in international collaboration and currently leads research projects on enamel matrix derivatives and periodontal regeneration.