Education: DDS, Kyushu Dental College, 1971 DDS, Fukuoka, Japan. Certificate in Periodontology, Tufts University School of Dental Medicine 1973 Boston, Massachusetts, USA. MSD, Indiana University School of Dentistry 1977, Indianapolis, Indiana, USA. President of the Japanese Academy of Clinical Periodontology (2003-2007). Member of the executive board of the Japanese Society of Periodontology since 2003. Clinical Professor in Periodontics, Kyushu University School of Dentistry, Fukuoka, Japan since 1999.