He is a member of the board and managing director of Carta Mundi, the world leader in the production of playing cards.
His uncle, Raoul de Cartier, a member of the Belgian Resistance during World War II, was captured by the Germans and executed in 1944.
Another uncle, Baron Paul-Ernest de Cartier, joined the Belgian army after the Liberation.
In 1998, he became Managing Director and chairman of Cartamundi, a card game producer also based in Turnhout and of which the de Cartier family is a shareholder.
[8] He is chairman of the Belgian publishing house Brepols and joined the board of Dutch industrial minerals company, Sibelco, in 2020.