- 2002-2005 Intern Rayong Hospital , Rayong , Thailand
- 2005-2006 Research Fellow , Queen Saovabha Memorial Institute , Thailand
- 2006-2010 Research Fellow , Mayo Clinic , Rochester, MN, USA ( Neuroimmunology)
- 2010-2011 Physician , Chulalongkorn University Hospital , Thailand
- 2011-2014 Residency, Training , Chulalongkorn University, Thailand
- 2014-2016 Neurologist , Phyathai Hospital , Thailand
- 2016-present Neurologist , Chiangmai Ram Hospital