Alan Kevin Chirgwin

RIO Tinto Diamonds Ltd. engages in diamond exploration, mining, and sales and marketing. The company was founded on October 21, 2004 and is headquartered in London, the United Kingdom.

Turquoise Hill Resources Ltd. engages in the exploration and development of mineral properties. It focuses on the Oyu Tolgoi Copper-Gold Mine located in southern Mongolia. The company was founded by Robert Martin Friedland on January 25, 1994 and is headquartered in Montreal, Canada.

Part of Rio Tinto Plc, Rio Tinto Marketing Services Ltd. is a leading mining group that focuses on finding, mining and processing the world's mineral resources. The company is based in London, UK and was founded in 1995. Discover more about Rio Tinto's mining operations today.

Natural Diamond Council Ltd. is a global organization that aims to inspire and educate consumers about natural diamonds through its platform. The non-profit company is based in London, UK. The platform covers various topics related to natural diamonds, including celebrities, pop culture, jewelry trends, and buying guides. The organization supports the natural diamond industry by promoting transparency and providing insights on its progress and commitments. The Natural Diamond Council operates in several continents, including North America, Asia, Africa, and Europe. The British company was founded in 2015, and David Kellie has been the CEO of the company since 2019.

The Institute of Corporate Directors is a not-for-profit, member-based association that serves as a resource and voice for directors and boards. The non-profit company is based in Toronto, Canada, and has subsidiaries in Canada. The ICD provides thought leadership through various publications and is a unified voice for directors. The Canadian company was founded by Brian J. Gibson, and Rahul K. Bhardwaj has been the CEO of the company since 2016.