Taiwanese businessmanWang Yung-Tsai has an estimated net worth of $3 billion as of May 2013 according to Forbes. He’s regarded as the former head of Naphtha Cracker #6 undertaking which earnedFormosa Plastics Grouptwo trillionNew Taiwan dollarrevenue. He’s been serving the group for 60 years now, however he never took over as Chairman of the group. Beginning in the 1950s, the brothers have developed the business into one of the largest petrochemical groups in Asia. Wang Yung-Tsai married twice. He’s five daughters and three sons who all worked for Formosa Plastics Group. He’s now retired in the firm.