Ir. KO Chi-chung is the Assistant Director heading the Electrical and Mechanical Branch of Drainage Services Department (DSD) of the Government of Hong Kong Special Administrative Region. Ir. KO is a mechanical engineer in profession with more than 30 years of experience and has been working in various works departments since he started his career in the Electrical & Mechanical Services Department after his graduation from the University of Hong Kong. Ir. KO leads his team in DSD overseeing all electrical and mechanical aspects of wastewater and stormwater drainage services, operation and maintenance of existing systems and facilities.as well as research projects and various studies.