Mr. Frank Zhen Wei has been the Company’s director since August 2015. Mr. Wei is a managing director of Warburg Pincus Asia, where he is primarily responsible for investments in the consumer and healthcare sectors in China. Prior to this, Mr. Wei was the Marketing Director at Renren.com from 1999 to 2000. Mr. Wei worked as an investment banking analyst of Morgan Stanley in Hong Kong from 1997 to 1999 and as a business analyst at McKinsey & Company in Shanghai from 1995 to 1997. Mr. Wei is a non-executive director of AAG Energy Holdings Limited, CAR Inc., each a company listed on the Hong Kong Stock Exchange, ANE Logistics Co., Ltd. and Sunnywell Group. Mr. Wei received a master’s degree in business administration from Harvard Business School in 2002 and a bachelor of degree in science from the University of Texas at Austin in 1995.