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Catharina Widjaja is the Director of PT Gajah Tunggal the largest integrated tyre manufacturing company in Southeast Asia. Prior to joining the group, she worked for various companies including at HSBC Indonesia as Country Treasurer and at Deutsche Bank Indonesia as Foreign Exchange Dealer. Catharina received her Master’s degree in Control Engineering from the University of Bradford, UK. Catharina is also the Chairperson of the Indonesian Business Coalition on AIDS (IBCA).