Dr. Xuenan Li has served as our independent director since the IPO. Dr. Li has served as an associate professor in finance at Cheung Kong Graduate School of Business since 2016, where she had been an assistant professor from 2012 to 2016. Before joining Cheung Kong Graduate School of Business as a visiting assistant professor in 2011, Dr. Li served as an assistant professor in finance at University of Michigan, Stephen M. Ross School of Business from 2007 to 2011. Dr. Li has served as an independent director of Beijing ABT Networks Co., Ltd. (SHA: 688168) since January 2018. Dr. Li received her bachelor's degrees in physics and economics from Peking University in 1998, her Ph.D. in physics from University of Massachusetts, Amherst, in 2002, and her Ph.D. in finance from University of Rochester in 2008.