| 1976 - 1977 |
Head of Primary Section: St. Louis College Chachoeng-sao |
| 1977 |
Head of Primary Section: Assumption College Rayong |
| 1978 - 1980 |
Head of Secondary Section and Vice-principal: Assumption College Ubonrachathani |
| 1981 - 1982 |
Head of Higher Secondary Section: Assumption College Sriracha |
| 1982 - 1986, 1994, 2006 |
Director of St. Louis Mary Juniorate Sriracha |
| 1990 - 1994 |
Director of On-going Formation Program for Junior Brothers |
| 1991 - 1993 |
Director of St. Gabriel’s Scholasticate, Sampran |
| 1992 - 1993 |
Head of Higher Secondary Section: Assumption College Thonburi |
| 1992 - 1994 |
Treasurer and executive board member of St. Gabriel’s Foundation, Thailand |
| 1995 - 2000, 2007 - 2013 |
Provincial Superior & Chairman of St. Gabriel’s Foundation, Thailand |
| 1995 - 2000, 2007 - 2013 |
Chairman of Assumption University Council |
| 1998 - 2000, 2007 - 2013 |
President of the Association of Male Religious Major Superiors in Thailand |
| 2000 - 2006 |
Assistant General and executive board member of the Central Administration of the Brothers of St. Gabriel, Italy |
| 2007 - 2013 |
Chairman of the Advisory Board of the Confederation of the Gabrielite PTAs |
| 2008 - 2013 |
President of the Confederation of Major Religious Superiors in Thailand |
| 2008 - 2013 |
Executive member of the Pastoral Council of Arch-Diocese of Bangkok |
| 2011 - 2013 |
Director and Principal of Assumption College Sriracha |
| 2013 - ... |
Supervisor and school-board member of Assumption College Samutprakarn |
| 2016 - ... |
Supervisor and school-board member of Assumption College Nakorn-rajasima |
| 2016 - ... |
Supervisor and school-board member of Saint Gabriel’s College |
| 2016 - 2020 |
Vice-President for Students Affairs, Assumption University |
| 2016 - ... |
Vice-Chairman and Executive member of Assumption University Council |
| 2019 - ... |
Supervisor and school-board member of Assumption College Ubonrachathani |
| 2019 - ... |
Executive board member of St. Gabriel’s Foundation, Thailand |
| 2022 - ... |
Advisor of the Quality Assurance Committee of St. Gabriel’s Foundation |
| 2024 - Present |
President of Assumption University of Thailand |