The Gastroenterological Association of Thailand was founded by Professor Vikit Viranuvatti on 19 July 1960. With the starting members of 34, the association has been grown up successfully and become one of the prestigious professional of Thailand an of the World. The Gastroenterological Association of Thailand (GAT) has continuously dedicated to research, professional education, and patient care in all areas of digestive disease, in support of the social health of all Thais.