 He began to work as an economist World Bank In Washington, D.C., United States, and later returned to service until receiving the highest position, namely Deputy Secretary-General of the National Economic and Social Development Board (NESDB).He enter politics by accepting the post of Secretary-General of General Suchinda Kraprayoon in 1992 and was appointed Deputy Minister of Agriculture and Cooperatives.In the government of Anand Panyarachun he was re-appointed Minister of Agriculture and Cooperatives again in the government of anand 1992.