Associate Researcher, World Cultural Heritage Centre of China at the Chinese Academy of Cultural Heritage (CACH). He holds a Masters in Archaeology, Peking University. He has concentrated on studies of the Great Wall since 2010. Main interests include: Great Wall archaeology, theory and policy in cultural heritage conservation and World Heritage monitoring. Since 2011, he has been actively involved in the Great Wall Conservation Project 2005-2014 and the Great Wall Resource Survey Programme held by NCHA. He was also the leading writer of The Assessment Report on the Great Wall Conservation over the Past Ten Years and the Report of the National Ming Great Wall Resource Survey. He is responsible for the establishment of the Information System of the Great Wall Resource Conservation and Administration. He took part in the Monitoring on the Large Archaeological Site Protection Scheme and in archaeological surveys of the Great Wall across the country. He also supervised the Law Enforcement Actions 2016-17 and 2017-18 by SACH. In 2016, he qualified as a Leader of Archaeological Excavations. Now he in charge of the General Monitoring and Early Warning Platform for WHS of China.