Jose Maria Aristrain Net Worth: Jose Maria Aristrain is a Spanish businessman who has a net worth of $1.1 billion. A former owner of giant steelmaker Arcelor, Jose Maria Aristrain started to build up his net worth when he took over the firm upon his father’s death in 1986. He led the company until 2006 and then he backed the Indian billionaire Lakshmi Mittal in his successful bid to merge the steel groups Arcelor and Mittal Steel. Upon the venture, Jose Maria got a 2% stake in Arcelor Mittal, the largest steel company in the world. However, he has seen a decrease in his fortune recently due to a constant fall in the company’s shares since 2011. Aside from Arcelor Mittal, he is a main shareholder of Spain’s Tubacex, the second-largest global manufacturer of seamless stainless steel tubes. Known to be a press shy, he is keeping a low profile and is always accompanied by a bodyguard. Furthermore, Aristrain has a cattle ranch, Ganaderias Aguadulce, in the south of Spain, where he raises bulls for bullfighting.