Mr Ong Hock Keat graduated as Bachelor of Science (Applied Science) since 1983 from University Science Malaysia. He had almost 34 years experiences of managing in Laboratories and Laboratory Industry. He experiences 4 different company with position of Director and Managing Director. He joined HydroGreen Technology Sdn Bhd, Brunei company since 2010, he playing an important role to manages the industrial wasterwater treatment, sewage/domestic wastewater treatment and etc.