Gem Education Consultant
President, CIBJO
President and CEO - GIA
Director General of The Gem and Jewelry Institute of Thailand
Senior Research Scientist, GIA
Head of the Center for Gemstone and Lapidary Design
President & Co-founder, Guild Institute of Gemology
Jewelry Designer
CEO, Sapphire Cutters Ltd
President and Head Gemologist at CGL Canadian Gemlab
Editor-in-Chief of the GemGuide
Nature's Geometry
Vice President of Institutional Relations, IBGM
Kybele LLC
ICA President
ICA CEO
Founding Partner of William Freire & Associates
Founder and CEO, Hill & Co.
Director of Geology and Mineral Resources, SGB/CPRM
Global Marketing Director, Fura
Foreign Investment Manager at ApexBrasil
Auditor at National Export Control Division Federal Revenue and Customs of Brazil
CEO, Gemolithos Group
VP of Business Development and Head of Sustainability, GIA
Federal Deputy Minas Gerais
Founder & CEO, GPS
Vice President of Education and Innovation at IBGM
Chief Strategy Officer (CSO) at ArtOuro & Gemas
President - Belmont Emeralds
Coordinator for Industry and Services, Apex-Brasil
Founder and Director, Mimo Gem Trader
Director at USP Centre for Responsible Mining
President - IBGM
Chief Marketing Officer at Fura
CFO - Ben Sabbagh Bros
JVC President, CEO & General Counsel
Director at the National Mining Agency (ANM)
Director of the Colored gemstone Division at Bonas Group
Field Gemologist
Manager, Field Gemology - GIA