--served as management consultant in concrete products industry from 1974 - 1981; --worked with consultant companies in the United Kingdom dealing in highway and power station projects in Singapore and Malaysia prior to 1974.
--spouse of Quah Seok Keng, Executive Director of OKA Corporation Bhd --father of Ong Choo Ian, Chief Executive Officer of OKA Corporation Bhd
Nil
Ir. Ong Koon Ann holds 126,837,084 shares directly and 13,438,920 shares as deemed interest by virtue of shares held by spouse and children pursuant to Section 8 of the Companies Act, 2016