Garry Du Toit: "Manager, Gemstone Identification"

Garry Du Toit's gemological career began in Bangkok, Thailand in 1990. Before his recent move back to Thailand in 2007 to join GIA Laboratory Bangkok, Garry worked as the Laboratory Manager and one of the founding employees at the AGTA GTC (American Gem Trade Association, Gem Testing Center) in New York, USA. Garry has authored and co-authored numerous articles of a gemological nature which have appeared in various trade and industry related publications. He is perhaps best known as an expert in Raman Spectroscopy and has been working with Raman Imaging Spectrometers since they first arrived in gemological laboratories in 1994. In addition to this Garry has extensive experience in identifying minerals, components of rocks and treatments involving oils, resins and waxes used to clarity enhance emeralds..

Pantaree Lomthong (Tang): "Staff Gemologist"

Pantaree Lomthong has a Masters Degree in Earth Science from Chulalongkorn University and was a research assistant at Kasetsart University contributing to gemological instruction and research prior to joining the GIA Laboratory. Besides conducting gemological examinations on clients gemstones at GIA Pantaree also operates all the advanced scientific equipment in the laboratory and assists in analyzing the results.

Vincent Pardieu: "Supervisor, Field Gemology"

Vincent Pardieu studied science and business in France before to become a tour guide specialized on Europe and Asia. He studied gemology at GGA in Yangon (Burma) and at GIA Thailand. In 2004 he became the Director of the AIGS Gemological Laboratory in Bangkok. In Feb. 2007 he joined the Gubelin Gem Lab as gemologist specialized on origin determination of gemstones. He returned to Bangkok in Dec. 2008 as field gemologist for the GIA Laboratory Bangkok. Vincent is known for his numerous expeditions to gem mining areas in Asia and Africa. His expedition reports were published in various magazines and can be found on his website: www.fieldgemology.org.

Sudarat Saesaew (Kai): "Staff Gemologist"

Sudarat Saeseaw obtained a Master's degree in Analytical Chemistry from the Mahidol University in Thailand and is a GIA Graduate Gemologist (GG). She is proficient in identifying and researching all gemological materials submitted for examination by GIA clients and conducting research on materials that require more comprehensive examination. However, her main area of expertise is the chemical analysis of materials using both Energy Dispersive X-Ray Fluorescence (EDXRF) Spectrometry and Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry (LA-ICP-MS), which enable her to accurately determine the chemical elements present in any given sample at a semi-quantitative or quantitative level.

Kenneth Scarratt: "Managing Director South East Asia and Director of GIA Laboratory Bangkok"

Kenneth Scarratt previously served as director of the AGTA Gem Testing Center in New York, the AIGS laboratory in Thailand and the Gem Testing Laboratory of Great Britain. He has published numerous articles and co-authored two books, The Crown Jewels and The Pearl & the Dragon.

Nicholas Sturman: "Supervisor, Pearl Identification"

Nicholas Sturman has over 22 years of detailed experience in the examination of pearls. He obtained his FGA and DGA qualifications in the UK prior to joining the world famous Gem Testing Laboratory of Great Britain, and continued with 16 years studying pearls in the Kingdom of Bahrain where he was the gemological advisor to the Bahrain Government's Gem and Pearl Testing Laboratory . As well as writing contributions to various gemological publications he has also given  presentations in the Middle East and several other countries, including The United Kingdom, Switzerland and Thailand.

Dr. Kamolwan Thirangoon (Wood):"Research Gemologist"

Dr. Kamolwan Thirangoon received a doctorate degree in Microbiology from the University of Connecticut , USA . She also holds a Graduate Gemologist Diploma from GIA in Carlsbad , CA . Upon returning to Bangkok after many years abroad, she started working at GIA Laboratory in Bangkok when it first opened in 2006. Working along with experts deepens her passion and knowledge in Gemology. As a research scientist, Wood works in collaboration with other GIA labs in different research topics. She also examines wide varieties of color stones including pearls both for research and client's items in production.