Born in 1938 and graduated from the Nanyang Academy of Fine Art. Since then he has undertaken his exploration in the art world for over fifty years. Known for his unique artistic style and excellent painting techniques, today he is one of the outstanding and highly collected artists in Singapore.In the 70s, Koeh was an art editor working for children Art Magazine, a part of the Xinzhou Newspaper’s weekend issue.During the 80s, as a specially appointed graphic artist of Nanyang Business Newspaper, he produced a large number of political cartoons, magazine covers and illustrations. In addition, he was also engaged in exhibitions and events. He had successfully held many solo and group exhibitions and published two catalogues “Koeh Sia Yong Cartoons” and “Koeh Sia Yong’s Paintings”