Jean Raymond Boulle :
chairman of the Boulle Group

Jean-Raymond Boulle (born 1950) started his career at the De Beers Diamond Trading Company (“DTC”) where he worked for ten years, in Zaire, Sierra Leone and Antwerp, Belgium. After that, he established Boulle Inc. in Dallas, Texas, US.

In 1984 he began exploring for diamonds, first in Minnesota, then in Arkansas.
In 1987 he formed Arkansas Diamond Development Co., to carry out exploration work on the Crater of Diamonds State Park in Arkansas.

Jean Raymond Boulle is the founder of Diamond Fields Resources Inc (which Inco purchased for CND$ 4.3 billion), Diamond Fields International  Ltd, America Mineral Fields Inc, and Titanium Resources Group Ltd. All four companies are publicly traded companies with deposits of nickel, cobalt, copper, zinc, titanium and diamonds.

Boulle was chairman, founder and CEO as well as a major shareholder of Diamond Fields (Diamond Fields Resources Inc. TSE:DFR) which commenced trading on the Vancouver Stock Exchange on April 6, 1993 and, in late 1994, discovered nickel, copper and cobalt ore bodies at Voisey’s Bay Mine in Labrador, Canada. The Voisey’s Bay Mine deposit was estimated to contain 141 million tonnes at 1.6% nickel.
Boulle and Robert Friedland worked together in Diamond Fields and, in 1996, the Voisey’s Bay Mine Project was purchased by Inco for CND$ 4.3 billion.

At this moment, Boulle's company, Diamond Fields Resources, is amongst other projects involved in seafloor mining with interests in mining deposits around the world.

His mining group’s subsidiary company, Greenland Gold Resources Ltd is in Greenland exploring for nickel, copper, cobalt, platinum group elements, titanium and graphite.

Boulle Mining Group Luxembourg was the largest shareholder in World Titanium Resources, the Australian Securities Exchange-listed discoverers and owners of the Toliara Sands titanium deposit in Madagascar. World Titanium Resources was delisted from ASX on 30 January 2017 and is now privately owned as World Titane Holdings Limited.

Together with the Government of Mauritius, Boulle is one of the three controlling shareholders of Omnicane, a publicly listed company on the Stock Exchange of Mauritius. Omnicane owns sugarcane plantations in Mauritius and produces refined sugar. Omnicane also generates around 30% of the island’s electricity for the Grid and 40% of the country’s renewable bagasse-based energy.

Jean-Raymond Boulle also owns Jean Boulle Medtech: Jean Boulle Medtech was the founding investor of Tendyne and helped guide the company through its many stages of development.
In 2012 and 2014 respectively, Jean Boulle Medtech welcomed Abbott Laboratories and Apple Tree Partners as Tendyne’s other major investors. Abbott acquired Tendyne in September 2015. The Tendyne valve is currently undergoing large-scale human trials for CE Mark and FDA approval.

Since 1996, Boulle has made numerous ongoing donations and contributions to charity, hospitals, museums, animal conservation, and the World Wide Fund For Nature.