Graduated from Faculty of Dentistry, Tohoku University, Japan (D.D.S.). Received degree of PhD from Graduate School of Dentistry, Tsurumi University, Japan. Maintain a private clinic, Jingumae Orthodontics, in Tokyo, Japan. Diplomate of Japanese Orthodontic Board. Member of Japanese Orthodontic Society, Japanese Society of Oral Implantology, Japanese Cleft Palate Association, Japanese Society of Jaw deformities, European Orthodontic Society, American Association of Orthodontists and WFO. Member of Angle Society.