Dr. Piranit Nik Kantaputra, a professor in medical genetics, is the director of Center of Excellence in Medical Genetics Research, Chiang Mai University and a faculty of the Division of Pediatric Dentistry, Department of Orthodontics and Pediatric Dentistry, Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand. He graduated with Doctor of Dental Surgery from Chiang Mai University in 1986 and obtained Certificate and Master of Science in Pediatric Dentistry from the University of Minnesota, USA in 1990. He had a fellowship training in Clinical Dysmorphology with Prof. Robert J. Gorlin at the University of Minnesota during 1990-1991. His major research interest is finding the causes of rare craniofacial malformation syndromes, especially when teeth are involved. Recently his research team has identified the genes responsible for the smallest teeth and the biggest teeth in the world. Prof. Kantaputra has identified more than 13 new genetic syndromes, published more than 99 international publications, and 4 book chapters. Dr. Kantaputra is an editorial board member of American Journal of Medical Genetics, Journal of Human Genetics, and International Journal of Dentistry.