Sumalee Thepsoparn, G.G., Ph.D.
SGS - The School of Gemological Sciences

Current Position
President of SGS (The School of Gemological Sciences)
Senior Advisor of TGJTA (Thai Gem & Jewelry Traders Association)
Subcommittee for National Gems Laboratory of Thailand

1965 - Graduated from Polytechnic, Bangkok, Thailand
1977 - Graduated / Obtained business diploma from Cannon Business College, Hawaii, USA
1983 - Graduated (Mini MBA ) from Thammasat University, Bangkok, Thailand
1990 - Graduated from Gemological Institute of America (GIA) as Graduated Gemologist (G.G.) 
           Santa Monica, CA, USA.
2008 - Obtained an honorary degree, Ph.D. in Management, Ramkhamhaeng university, Thailand 

Chulalongkorn University
- Lecturer of the topic of "Gems & Jewelry Design" at faculty of Architecture, Department of Industrial
- Advisor of seminar regarding course development of Jewelry Design.

Srinakharinwirot University, Prasarnmit 
1992 -1996 - Advisory committee of a project on cooperating in a development project of science graduates, department of Materials Science.

Social Activities
- Judge of Jewel Award Contest.
- Judge of Top Ten Jewelry Designer contest.
- Gemological Institution delegation of private sector.

Public Organization 
Mint Divison, the Treasury Department
- Civil servants participating and trained in gemology in subject of Diamond. 

- Hong kong International Jewelry Fair at HKTDC.
- Gems market in Mae-sai, Chiangrai province, Thailand. 
- Gems market in Mae-sod, Tak province, Thailand.
- Gems market in Chantaburi province, Thailand.

Publication Works (Gemology)
1995 - Gems Identification (Th)
1996 - Diamond (Th)
1996 - Synthetic Moissanite (Th)
2002 - Synthetic vs Natural Stones (Th)
2004 - Characteristic of Gemstones (Th)
2004 - World of Gems (Th)
2004 - Orange Sapphire / Padparascha (Th)
2008 - Colorstone Grading (Th)

Diamond Grading/Appraisal for Auction
- Electricity Generating Authority of Thailand
- PTT Public Company Limited Energy for Sustainable Future
- Thai Airways International Public Company Limited

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