Back Samuel HK Chui Staff Latest degree Ph.D. Profession Director Environmental Protection Department Organization Environmental Protection Department, The Government of Hong Kong Special Administrative Region Country Hong Kong SAR China Nationality Chinese Experience 32 years Expertise Engineering | Management | Teaching Contact Social media GSGS affiliation Director Regional Hub East Asia Environmental Protection Department (EPD), The Government of Hong Kong Special Administrative Region Since 2025 Governing Board Member Global Sanitation Graduate School Since 2025
