Currently, Ch'ng Guan How occupies the position of Chief Innovation & Technology Officer at PETRONAS Chemicals Group Bhd.
He previously occupied the position of Senior Manager-Product & Commercial at Petlin Malaysia Sdn. Bhd., Managing Director-PLI China at PETRONAS Lubricants International Sdn. Bhd., Export Sales Manager at Petronas Chemicals Polyethylene Sdn. Bhd., Manager-product & Senior Commercial at Petronas Chemicals LDPE Sdn. Bhd. and Head-Strategy & Portfolio at Petroliam Nasional Bhd.
He received an undergraduate degree from Universiti Sains Malaysia.