Pitchaya Lopiti

Pitchaya graduated with a Bachelor’s degree in Material Science specializing in gemology from Srinakharinwirot University in Thailand. Pitchaya joined GIA in Thailand in 2011. She has earned the GIA Graduate Gemologist^® diploma (GG^™), Graduate Pearls diploma(GP), and Applied Jewelry Professional^™ (AJP^®). In her role as an instructor, she has been teaching the entire range of GIA gemology programs and has given numerous trade seminars both domestic and international. She previously worked in international logistics and jewelry companies which have provided her broad experience in all industry aspects as well as in gemstone identification. In 2016, Pitchaya received the prestigious GIA Staff of the Year Award for her outstanding contributions. She became Manager of Instruction at GIA in Thailand in 2018. Her solid background in gemology, along with her expertise in gemology makes her a valuable source of information for her students enabling them to achieve their goals and succeed in their careers.

Ninnate Plumkratoke

Ninnate received a Master’s degree in Contemporary Jewelry Design from Silpakorn University in Thailand. She also graduated with a Bachelor’s degree in Material Science specializing in gemology. Her studies included gem identification, jewelry design, jewelry manufacturing arts, and marketing. During her studies, she worked as a jewelry designer for an international jewelry company. After graduation, Ninnate worked as a freelance jewelry designer for a jewelry company and held a marketing and design role for a diamond manufacturer. She has earned the GIA Graduate Gemologist^® diploma (GG^™), Graduate Pearls diploma (GP), Jewelry Design program (JD) and Applied Jewelry Professional^™ diploma (AJP^®). Ninnate loves working closely with her students and encourages them to create their own style and share their design perspectives.