
1 December 2009
| 31 Mar 2018 - Present | Chairman of the Board Nava Nakorn Public Co., Ltd. |
| 2009 - Present | Director Nava Nakorn Public Co., Ltd. |
| 1 Jan 2018 - Present | Chairman of the Board Nava Nakorn Electricity Generating Co., Ltd. |
| 2010 - Present | Director Nava Nakorn Electricity Generating Co., Ltd. |
| 8 Aug 2019 - 30 Nov 2020 | Director Nok Airlines Public Co., Ltd. |
| Jul 2016 - 30 Mar 2018 | Vice Chairman of the Board Nava Nakom Public Co., Ltd. |
| 2015 - Apr 2016 | Vice Chairman of the Executive Board Nava Nakom Public Co., Ltd. |
| 2001 - 2016 | Director Nava Nakorn International Guarding Security Guard Co., Ltd. |
| 2016 - 2017 | Advisory Board Nava Nakorn International Guarding Security Guard Co., Ltd. |
Never dishonestly committed an offence against property and never entered into any transaction which may cause conflict of interest against the Company during the previous year.