He has been active at the Thailand Development Research Institute (TDRI) as a program director for agriculture and rural development, and as president of TDRI in 1990-1995.
hiː hˈæzbiːn ˈæktɪv æt ðə tˈaɪlənd dɪvˈɛləpmənt ɹᵻsˈɜːtʃ ˈɪnstɪtˌuːt tˈiːdɹˈaɪ æz ɐ pɹˈoʊɡɹæm dᵻɹˈɛktɚ fɔːɹ ˈæɡɹɪkˌʌltʃɚ ænd ɹˈʊɹɹəl dɪvˈɛləpmənt, ænd æz pɹˈɛzɪdənt ʌv tˈiːdɹˈaɪ ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti dˈæʃ nˈaɪntiːnhˈʌndɹɪd nˈaɪnti fˈaɪv.