The nephew of Malaysian billionaire Robert Kuok, he is the co-founder of Wilmar International, which is cited as the "world's largest palm oil firm".
It has exited in 2012 and 2013 from the historic ONA Group agri-business activities, with sales of its stakes in leader companies in edible oil, milk and dairy, sugar and biscuits to international leaders such as Sofiprotéol, Danone, Wilmar International and Mondelēz International.
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Martua along with Kuok Khoon Hong, the nephew of Malaysia's richest tycoon Robert Kuok, founded Wilmar International Limited and by 1991 he owned 7.100 hectare of palm tree plantations, and also build his own palm oil refinery in North Sumatera.