75 years
Brother of Mrs.Patara Sila-On
| 1994 - Present | Director, Executive Committee - S&P Syndicate Public Company Limited |
| 1990 - Present | Executive Director - S&P Global Co., Ltd. |
| 1990 - Present | Director - S&P Restaurants Limited |
| 1987 - Present | Executive Director - SR Estate Co., Ltd. |
| 2014 -2019 | Director - S&P International Foods (Cambodia) Co., Ltd. |