Bachelor of Laws, Thammasart University, Bangkok, 1948. Bachelor of Science, Butler University, 1955. Master of Business Administration, University Michigan, 1957.
Certified economic development Economic Development Institute, 1968. Doctor of Philosophy. in Economics (honorary), Ramkhamhaeng University, Bangkok, 1983. Planning officer fiscal policy National Economic Social Development Board, Bangkok, 1957-1962, planning officer industry and power, 1963-1965, director project division, 1965-1970, deputy secretary general, 1971-1975, secretary general, 1976-1981.
Advisory operation planning Prime Minister' General’ s Office, Bangkok, since 1982. Chairman REDECO Consultant Firm, Bangkok, since 1981, Chintung Ratta Securities, Ltd., 1989. Trustee King Mongkut Institute of Technology, Bangkok (certified appreciation 1984).