Thongsak Chintakanroek    
Chanthaburi, Thailand. 
 

  • The committee of evaluating the research of The Gem and Jewelry Institute of Thailand (GIT)
  • Expert Gems Manufacturing Co Ltd. Managing Director.
  • 2006-2007: President of The Federation of Thai Industries of Chantaburi Province.
  • Board Committee of The Federation of Thai Industries of Chantaburi Province. Advisor.
  • The International Board Directors of The Federation of Thai Industries. Committee Member.