Mr Tse Chin-wan is the Secretary for Environment and Ecology of Hong Kong, China. Mr Tse joined the former Environmental Protection Agency of Hong Kong in 1985, which was subsequently reorganised in 1986 to become the current Environmental Protection Department (EPD). Throughout his service with EPD, he took up a wide range of duties at professional and senior managerial levels. He was appointed as a Deputy Director of Environmental Protection in 2013 and subsequently as the Under Secretary for the Environment in August 2017.

Mr Tse possesses a broad spectrum of experience in various areas of environmental protection, including law enforcement, computer modelling, environmental impact assessment and cross-boundary cooperation with the Mainland. During his tenure as the Under Secretary for the Environment, he helped spearhead the formulation of policies on air quality, waste management, climate actions and conservation.