Place of Birth: Roi Et
Date of Birth: Sat Nov 23, 1946
- 1969 B.A. Political Science and Government, Chulalongkorn University
- 1997 M.A. Political Science and Government, Chulalongkorn University
- 1969 – 97 Esso Standard Thailand Limited
- 1997 – 2007 Bangchak Petroleum PCL. , last position – Senior Executive Vice President of Marketing
- 2011 – preset Director, Business Management Co., Ltd.
Married to Usah Siri with a daughter, Anunpapa Siriwan