•Director / chief researcher, Institute of solid waste pollution control technology, Chinese Academy of Environmental Sciences (2 001)
•Chairman of Expert Committee of industrial solid waste and hazardous waste treatment professional committee of China Urban
Environmental Hygiene Association (2017)
•Member of the Expert Committee for environmental damage assessment of the Ministry of environmental protection (2016)
•Expert of the negotiation expert group of the Ministry of environmental protection on the mercury Convention (2011)
•Member of domestic waste treatment Committee of China Urban Environmental Sanitation Association (2010)
•Expert of national environmental emergency response expert group (2009)
•Member of the expert committee of the National Coordination Group for the implementation of the Stockholm Convention (2009)
•Member of the environmental health expert group of the municipal public industry expert committee of the Ministry of construction
•Member of technical expert group of Beijing Environmental Protection Commission (2006)
•Consultant of expert advisory group of Beijing Municipal People's Government (2001)