Lin Xu has served as an Independent Director since the IPO. Mr. Xu currently serves as the director general of China Center for Urban Development of NDRC and the chairman of the board of U.S.-China Green Fund. Prior to that, Mr. Xu served as the director general of Development Planning Department of NDRC from 2012 to 2017. Mr. Xu also served as the director general of Fiscal and Financial Affairs Department of NDRC from 2006 to 2012 and as the deputy director general of Development Planning Department of NDRC from 2002 to 2006. Mr. Xu received his bachelor’s degree in mathematics from Hunan Shaoyang Normal College, his first master’s degree in economics from Nankai University and his second master’s degree of public administration from the Lee Kuan Yew School of Public Policy at National University of Singapore.