President of Guild Education of Gemology
Senior Vice President of Guild Gem Laboratories
28 years experience with GIA
World most active and renowned field gemologist and gemology educator.
Published more than 220 articles
Published two books: The Journey of Gemstones From Mine to Market and The Handbook of Field Gemology. The Journey of Gemstones From Mine to Market is the first book talking about field gemology in the world. Established long term collaboration with Tiffany, Cartier, Harry Winston, Van Cleef Arpels, Bvlgari, Signet, Pandora, Dior, Buccellati, AGTA, ASA, Sotheby’s and Christie’s .
Has taught courses in more than 50 countries and regions around the world, covering a wide range of jewelry industries including colored gemstones, diamonds and gemstone processing.
Worked with a number of government agencies to develop courses such as Law Enforcement and Anti-Money Laundering. Won numerous awards and is still the only gemologist in the world to offer and teach all these courses.
