Alumni Chapter

Taiwan Chapter: Winter Seminar and Holiday Gala

Presenter: Wim Vertriest, supervisor of field gemology at GIA Bangkok

Gala theme: "Hollywood Stars" ... so feel free to dress up and shine!

The Taiwan Chapter cordially invites you to their winter seminar on Mozambique rubies, followed by a festive holiday gala. Wim Vertriest will provide a review of Mozambique rubies of the last decade, sharing accounts from GIA’s field gemology department's mine and market expeditions. A gala dinner will follow the presentation.

Since joining GIA in 2015, Wim Vertriest has participated in GIA Field Expeditions to numerous sapphire, ruby and other gem mining areas in Thailand, Cambodia, Vietnam, Myanmar, Sri Lanka, Russia, Greenland, Tanzania, Mozambique and Ethiopia. During these expeditions, he was responsible for sample collection and documenting the local gemstone dynamics. In his role as supervisor of field gemology at the lab in Bangkok, he oversees the field gemology department and curates GIA’s colored stone research collection. Vertriest holds an MSc in Geology from Catholic University of Leuven (KU Leuven), Belgium, with specialization in ‘Geodynamics & Geofluids’. He has also earned his Graduate Gemologist® diploma from GIA and the FGA diploma from the Gemmological Association of Great Britain (Gem-A).


The event is free for GIA-AATC members and NT $2,000 for non-members. Pre-registration is required for all. RSVP by e-mail to Gina Lee at