He is involved in social and economic planning for national development and policymaking organization in his country. Mr. Wongyai also is working with the Thai-Australian Village Water Supply Project in the northeastern provinces of Thailand, an effort to find practical measures to solve drinking water and sanitation problems throughout Thailand. 

Mr. Wongyai holds a B.A. degree in Political Science from Chiengmai University (1975), and an M.A. degree in Public Administration from Thammasat University (1979).