Certificate of attendance Asia-Pacific Gastrointestinal Cancer Society in Singapore, 2021/2022/2023. ,

Certificate of attendance ASCO, Chicago, USA. ,

Certificate of attendance the 44th ESMO, Barcelona, Spain. ,

Certificate of attendance the 43th ESMO, Munich, Germany. ,

Certificate of attendance the 42nd ESMO, Madrid, Spain. ,

Certificate of Participation the 17th ECCO -38th ESMO-32nd ESTRO European Cancer. , -

Certificate of Attendance The Asian Oncology Summit 2012, Suntec Singapore, Singapore. , -

Diploma of Thai Board of Oncology. , -

Diploma of Thai Board of Internal Medicine, The Medical Council of Thailand. , -

The Second Class Honors M.D., Faculty of Medicine, Chulalongkorn University. , -