Toshihiro Ansai, DDS., Ph.D. (Professor in Kyushu Dental Univ., JAPAN) graduated from Kyushu Dental Univ. in 1988, and obtained Ph.D in 1992. After that, I worked in Kyushu Dental Univ. as assistant professor since 1992, and as associate professor since 1998. I also worked as visiting professor in University of South Alabama, USA, in 1995. Current and previous research interests are oral epidemiology regarding association between oral health and systemic health, and behavioral science regarding psychological property and health behavior. Memberships in academic societies include International Association for Dental Research, Japan Epidemiological Association, and Japanese society of Nutrition and Dietetics. In regard to awards, I obtained Unilever Travel Award of IADR Hatton Award in 1998, and LION Award from The Japanese Society for Dental Health in 2006.