Juan Maria Riberas Mera Net Worth: Juan Maria Riberas Mera is a Spanish billionaire who has a net worth of $2.6 billion. He rose to riches thanks to his father's Corporacion Gestamp SL that was founded as a small steel trading company in 1958. Some twenty years later, the company has already earned its place among Spain's largest steel companies and even diversified into auto parts in 1991. Juan Maria joined the company in 1992 and he mostly held junior management positions at the time. Now, he sits on the board of the company along with his brother who also serves as CEO since their father's death in 2010. Gestamp Sl, which makes $11 billion in sales, is a massive steel and automotive parts conglomerate with 96 manufacturing spots all over the world, including six in China. Each of the brothers has a 50% stake.
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