公認会計士
He started his professional career with ESSO Malaysia. By September 1973, he obtained the degree of a Certified Accountant and served at the international accounting firm of Touche Ross &amp; Co. in Vancouver. In 1976, he became a senior accountant, again with ESSO Malaysia. In 1979, he was assigned as financial analyst at ESSO Eastern Inc. in Houston and returned to Malaysia as accounts manager of ESSO Production Malaysia.