Potentate is a member of the American Gem Trade Association (AGTA) and is North America's largest rough sapphire producer. These sapphires come in a broad range of colour including orange, padparadscha (reddish-orange), golden yellow, pink, lavender, colorless and blue. Currently Potentate has clients in the USA, Canada, Thailand, Sri Lanka, & India. Website www.potentatemining.com

eValuer DMCC was recently incorporated in Dubai as an online rough diamond price book / data analysis tool. The eValuer platform is not only used to record all the sales of diamonds valued by our team of government diamond valuators in Canada, Guinea, Sierra Leone, Liberia and other diamond producing countries, but also incorporates pricing data from the globe's primary rough diamond mining companies. The eValuer platform is able to report the real time selling price of over 30% of the world’s rough diamonds thus providing an invaluable tool to government royalty assessors, mining companies, and diamantaires around the globe. Visit our website at https://www.evaluer.online/#

ADCi is a privately owned company that specializes in the Valuation of rough diamonds, primarily for government royalty assessment purposes. Seeking mining company and government valuation contracts in Canada and elsewhere. ADCi is a partnership between R. T. Boyd Limited Diamond Counsellor International (DCi). Recently under contract to the Government of Quebec to value Quebec rough diamond production from 2017 to 2023

Algonquian Diamond Counsellor International (ADCi) is a Government Diamond Valuation (GDV) company. ADCi is a partnership between R. T. Boyd Limited and Diamond Counsellor International (DCi). DCi is under contract to five African governments (Sierra Leone, Guinea, Angola, Lesotho, & Liberia) with past working relationships with other governments and mining companies in Namibia, Botswana, Brazil, Canada and elsewhere. ADCi has one Canadian GDV contract and experience with numerous Canadian based mining companies. The purpose of the GDV is to have expertise in the independant valuation of rough diamonds and to provide that expertise to governments for royalty assessment purposes. Visit us at www.algonquiandiamondcounsellor.com

Specialists in Diamonds and Coloured Gemstones (Emeralds, Rubies, Sapphires, Alexandrites... and others). Designers and manufacturers of exclusive personalized jewellery pieces. Our 50+ years of accumulated experience in the Canadian jewellery trade is unparalled and benefits our exclusive private and jewellery industry trade clientele

Watts, Griffis and McOuat Limited ("WGM"​) is Canada's longest running independent firm of geological and mining consultants providing value-added professional services of the highest standards to the global mineral resource industry. From grass-roots exploration through to mine closure, our expertise in Mineral Resource and Reserve estimates, Qualified Person technical reports, due diligence reviews, and project management, has distinguished WGM as the most trusted name in exploration and mining since 1962.Involved as their Gemmological Associate on any gemstone related project in the USA, Canada, South America or elsewhere.

Was appointed as Vice President of the ICA in 2019 and completed my term in 2023. The International Colored Gemstone Association (ICA) is a non-profit organization and the only worldwide body specifically created to benefit the global colored gemstone industry. ICA was founded in 1984 and is now comprised of over 700 gem industry leaders from mine to market, including miners, gem cutters, suppliers, retailers, trade associations, gemological laboratories, academia, museums, and more, from 47 countries who are devoted to advancing and promoting the knowledge and appreciation of colored gemstones.ICA’s global network works to develop a common language for promotion and consistent business standards necessary to improve international communication and trade of colored gemstones.Over the years ICA has provided direct access to the source for colored gemstones and related information. There is no other international organization with the same collective access to, and knowledge about, all levels of the colored gemstone industry. www.gemstone.org

Introducing Geology & Geophysics students to the assessment and evaluation of diamond and coloured gemstones deposits.Discussions involved recognition and assessment of coloured gemstone deposits such as tourmaline, ruby, sapphire, emerald, jadeite, nephrite, and other gemstones. Attention given to the methods for Canadian diamond deposit discovery and assessment including an understanding of Canada's position in the global diamond mining industry.

Cancana is a junior Canadian, TSX Venture Exchange listed company. Cancana has diamond, gold and manganese exploration and/or mining assets in Brazil and Canada. Initially the company was involved in diamond exploration and production. The company is now expanding into Manganese production and exploration and is in joint venture with Ferrometals.

Tsar Emerald Corporation was involved in the financing and rehabilitation of the near-mythical Malysheva emerald and alexandrite mine in the Ural Mountains, Sverdlovsk Oblast, in Central Russia. The mine was fully rehabilitated by October 2006 and put back into full operation producing world class emeralds and alexandrites. This is the largest coloured gemstone mine in the world. The mine is currently being operated by different company due a permit dispute.

Diamond Consulting firm involved in the valuation of rough diamonds for mining companies and government diamond valuation work. I was a director of this private company based in London England whose mandate was rough diamond consultancy expertise offered to governments and the mining industry.

A partnership between Aboriginal Diamonds Group (ADG) and WWW International Diamond Consultants (WWW) and contracted as the Canadian Government Diamond Valuator (CGDV), DICAN mandate was the valuation of Canada's rough diamond production for royalty assessment purposes. Specializing in the valuation of rough diamonds for Canadian government contracts.

Was instrumental in the establishment of this company in the 1990s. It is a wholesaler and retailer of Russian manufactured jewellery and gemstone designs from some of Russia's most famous and longest established jewellery factories. Imported manufactured gold products from Russia and distributed these products from Canada around the globe. My responsibility was the setup of the importing and exporting structure to adhere to the complex Canadian regulatory regime.

President of the Canadian Gemmological Association (CGA) during the formative years when the CGA was writing and preparing to establish its own education facility. This CGA is an association of interested trade and private individuals whose common interest is gemstone and gemmology. Fellow of the Canadian Gemmological Association.