Division of Bio-Prosthodontics, Niigata University Graduate School of Medical and Dental Sciences

President 2020-2021, Association for Dental Education in Europe
Professor, Head of Department of Oral and Maxillofacial Surgery, Riga Stradins University

The American Dental Education Association

Thai Board of Orthodontics
Emeritus Clinical Professor, Faculty of Dentistry, Mahidol University
President, South East Asia Association for Dental Education
President, Royal College of Dental Surgeons of Thailand

President of The Japanese Dental Education Association
Professor of The Nippon Dental University