Yuan Qingdan, the deputy director of Policy Research Center for Environment and Economy, Ministry of Environment Protection, senior engineer. He has taken part in designing and coordinating china environmental and economic policies, laws and regulations. He is one of the pioneers of China green credit system and practice. He has conducted researches on green finance with International Finance Corporation and other international organizations as well as built up collaboration relationship with economic departments of the State Council, environmental and economic academia and local governments. He conducted several environmental economic policies researches and participated in writing China Environment Macro-strategy Comprehensive Research Report (2010), Environment Pollution Liability Insurance Research Report, Green Credit Evaluation Report, Environmental Tax Report as the lead author.