Adisak Sukumvitaya is a graduate of MBA (Economics) and B.E. (Economics) at Kasetsart University. Adisak is also the Director of J Ventures Co., Ltd, Chairman at Jaymart Mobile Co., Ltd. Prior Joining Singer Thailand, he was also the Chairman of the Board at JAS Asset PCL from 2002 - 2015, Research Officer at TISCO Securities PCL. from 1981 - 1984.