Haijian He has served as our chief financial officer since January 2020. Mr. He has extensive experience in complex merger and acquisition transactions and advised companies in various industries including leading corporates in technology sector. Prior to joining us in 2020, Mr. He served as an executive director of the TMT (telecommunications, media and technology) group and the M&A (mergers and acquisitions) group sequentially at Goldman Sachs (Asia) LLC from 2015 to 2020. Mr. He was an investment banker of the TMT investment banking division at Bank of America Merrill Lynch from 2014 to 2015 in Hong Kong, and was a vice president at Citigroup Global Markets Inc. from 2010 to 2013 in New York. Mr. He received an MBA from University of Chicago in 2014, a master and a bachelor’s degree in electronic engineering from Southeast University in 2006, and in 2003 respectively. Mr. He is also a CFA charter holder.