Management Team

Joseph Chen, Chairman and Chief Executive Officer
Joseph Chen is the founder of our company. Mr. Chen has served as the chairman of our board of directors and chief executive officer of our company since our inception. Mr. Chen is a pioneer of China's internet industry. Before founding our company, Mr. Chen was the co-founder, chairman and chief executive officer of, a first-generation SNS in China and one of China's most visited websites in 1999. He served as senior vice president of after was acquired by Sohu in 2000. Mr. Chen holds a bachelor's degree in physics from the University of Delaware, a master's degree in engineering from the Massachusetts Institute of Technology, and a M.B.A. degree from Stanford University.
James Jian Liu, Chief Operating Officer and Executive Director
James Jian Liu has served as our company's executive director since January 2008 and chief operating officer since February 2006. Before joining our company, he was the co-founder and chief executive officer of, one of the earliest social networking service websites in China. He served as product management director at Fortinet in its early years and held a senior product manager role at Siebel Systems. Mr. Liu started his career as a management consultant with the Boston Consulting Group in China. Mr. Liu holds a bachelor's degree in computer science from Shanghai Jiao Tong University and a M.B.A. degree from Stanford University, where he was an Arjay Miller Scholar.
Thomas Jintao Ren, Chief Financial Officer
Thomas Jintao Ren has served as chief financial officer for our company since September 30, 2015. Prior to rejoining Renren, Mr. Ren was the chief financial officer at Chukong Technologies. Mr. Ren was previously at Renren between 2005 and 2013, where he served as our senior finance director. Prior to that, Mr. Ren had worked at KPMG for five years. Mr. Ren holds a bachelor's degree in economics from Renmin University of China. He is a certified public accountant in China and the United States.
Lillian Liu, Senior Vice President for Human Resources
Lillian Liu has served as a senior vice president for our company in charge of human resources since September 2012. Prior to joining our company, Ms. Liu served as the human resource director of Nokia from 2004 to 2012 and the human resource director of HP/Compaq Computer from 1999 to 2004. She also worked as a human resource manager at Nortel Networks from 1994 to 1999. Ms. Liu received a bachelor's degree in English from the Beijing Foreign Language Institute in 1989 and received a M.B.A. degree from City University U.S. in 1999.
Miao Cao, Chief Marketing Officer
Miao Cao has served as chief marketing officer of sales of our company since October 2014. He joined our company in 2004 and was promoted to the vice president for sales in September 2013. Prior to joining our company, Mr. Cao worked at Shun Tak Holding Limited, a company listed on the Hong Kong Stock Exchange, and Clevo Co., a company listed on the Taiwan Stock Exchange. Mr. Cao received a bachelor’s degree in Economics from the Shanghai University of International Business and Economics in 1999.
He Li, Vice President for Renren SNS
He Li has served as vice president of our company since 2014 and is now in charge of Renren SNS. Mr. Li joined our company in 2011 and has since held various positions in research and development. Mr. Li received a bachelor’s degree in Computer Science and a master’s degree in Software Science Theory from Peking University.