(CNN) -- Dolgorsuren Dagvadorj a big man with big ambitions. In Mongolia there is no one is more famous than Dagvadorj, who is probably best known by his Japanese name, Asashoryu. For 15 years Dagvadorj dominated sumo wrestling and became the most successful grand master the sport had ever seen. He retired in 2010 after the controversial wrestler was involved in a brawl outside a Tokyo nightclub. It brought the champion more bad publicity in Japan, but in his native Mongolia he is a hero. Locals call him simply "The champ". Still only 30, he is now embarking on a second career as a businessman.
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Dolgorsuren Dagvadorj was sumo's most successful wrestler known as Asashoryu
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Now building a business empire in his native Mongolia
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Owns a circus and other real estate and has set up an investment bank
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