A native of Phrao, Mr. Tammachai has served on the Board since 2010. Mr. Tammachai has a degree in Social Studies from Sukohthai Thammathirat University, was a teacher for 14 years, and has served as a government officer for 19 years.

He has worked in the Chiang Mai Cultural Office, the Chiang Mai Education Office, and the Phrao Education Office. He currently serves as the Secretary to the Chairman of the Phrao Sub-district.

Drawing upon his wide government experience, Mr. Tammachai has provided critical advice to the Warm Heart Board. His passion for education and especially for Thai traditional culture led him to Warm Heart.