Barbara Wheat
United States
  • 1990: Managing Directo of JewelSiam, Ho Group affiliated company
  • 1999: Consultant to gem and jewelry industry, including Thai Gem & Jewelry Traders Assciation
  • 2005: Executive Director, International Colored Gemstone Association
  • 2013: Consulting for projects in China, Europe and the US
  • 2016: Executive Vice President for Natural Color Diamond Association
  • Education: Accredited Gemologist, AIGS; M.S. Sustainability Management, Columbia University