1981–1994: Instructor, Department of Anatomy, Chulalongkorn University

1994 –1998: Orthopedic surgeon, Orthopedics Unit, Queen Sawang Wattana Memorial Hospital,

1998 – 2012: Instructor, Department of Anatomy, Chulalongkorn University

Lecturer for 2nd and 3rd year medical students in Anatomy.

Lecturer for Postgraduate students in Sports Medicine.

Lecturer for Undergraduate students in Sports Science.

Theses advisor for Postgraduate students in Anatomy.

Theses advisor for Postgraduate students in Sports Medicine

Member of Chulalongkorn University Council: 2000– 2004

Board of Student Affairs for Faculty of Medicine: 2000-2003

Manager of Chulalongkorn University Rugby team: 2001-2009

Team physician for Chulalongkorn University Team.

2000 - 2017 Member of Medical committee of Thai University Sports

2001 - 2010 Board of executive of Thailand Weightlifting Federation

2003 - 2019 Board of executive of Thailand Sports Medicine Association

2004 - 2008 Member of Sub-committee in Sports Science of the Senate

2005 – 2009 Board of executive of Thailand Rugby Federation

2006 – 2010 Medical committee, Asian Weightlifting Federation

2013 - 2019 Medical Committee of Thai Volleyball Association

2012 - 2016 Member of Sub-committee in Sports Science of the Senate

2015 - 2018 Vice President of Medical Committee of University Sports Board of Thailand

2015- 2018 Chief Medical committee of Royal Thai Rugby Union

2020 – present: Vice Chairman of Thai Volleyball Association

2022 – present: The Secretariat of Sports Medicine Association of Thailand

2023 – present: Executive Committee of Asian Federation of Sports Medicine

2024 ~ present: Medical and Doping committee, AUSC Asean University Sports Council

2025 – present: Medical Committee of Asian Volleyball Confederation

2025 – present: Medical Committee of Federation International Volleyball (FIVB)