Founder, Chairman and Chief Executive Officer
Peter Hui Zhang is our founder and has served as the chairman of our board of directors since November 2020, our chief executive officer since December 2018 and a director since December 2017. Previously, he was the chief executive officer of Yunmanman from its inception to December 2018. Prior to founding Yunmanman, Mr. Zhang served as a regional manager of the business-to-business unit of Alibaba Group Holding Limited from 2005 to 2011, a company listed on the NYSE under the ticker symbol “BABA” and on the Hong Kong Stock Exchange under the stock code “9988”. Mr. Zhang graduated from Nanjing University of Aeronautics and Astronautics with a major in electronic engineering and received a master’s degree in electronic engineering from Nanjing University of Posts and Telecommunications.
President
Langbo Guo has served as our president and director since May 2023. He was our chief strategy officer from March 2018 to May 2023. Prior to joining our Company, he served as a senior director of the operations and planning division of Baidu, Inc., a technology company listed on the NASDAQ under the ticker symbol “BIDU” and on the Hong Kong Stock Exchange under the stock code “9888” from November 2011 to February 2018. Mr. Guo received his bachelor’s degree in material engineering from Shanghai Jiao Tong University.
Chief Cultural Officer and Vice President of Human Resource
Guizhen Ma has served as our director since April 2021 and is our chief cultural officer and vice president of human resources in charge of corporate culture and talents recruitment of the Company. Ms. Ma is one of the founding members of Yunmanman, has served as a member of our management team since November 2013 and is currently in charge of recruitment. Previously, she served as a manager of the business-to-business unit of Alibaba Group Holding Limited from 2005 to 2013, a company listed on the NYSE under the ticker symbol “BABA” and on the Hong Kong Stock Exchange under the stock code “9988”. Ms. Ma received her bachelor’s degree from Anhui Normal University.
Chief Financing and Investment Officer
Simon Chong Cai has served as our Chief Financing and Investment Officer since May 2025. He previously served as Chief Financial Officer from 2020 to 2025, and as CFO of Yunmanman from 2017 to 2020. Prior to joining us, Mr. Cai spent over 12 years in investment banking roles. Mr. Cai served as an executive director at Nomura International (Hong Kong) Limited from 2013 to 2017 and a vice president at Lazard from 2012 to 2013. Prior to Lazard, Mr. Cai worked at Citigroup Global Markets from 2007 to 2012 with his last role as a vice president at the investment banking division. Earlier, Mr. Cai worked at Morgan Stanley and HSBC’s investment banking division from 2004 to 2007. Mr. Cai received his bachelor’s degree in mechanical engineering from Tsinghua University.
Chief Public Affairs and Risk Officer
Kai Shen has served as our chief public affairs and risk officer since April 2025, and is in charge of corporate risk management framework, legal compliance matters, and government public relations strategy. Mr. Shen previously served as our chief risk officer and general counsel since October 2019. Prior to joining our Company, Mr. Shen served at Alibaba Group from February 2011 to October 2019 with his last position as a senior legal director. Since May 2017, he has served as an arbitrator of China International Economic and Trade Arbitration Commission. Mr. Shen received his bachelor’s degree in law from Hunan University in the PRC in June 2003 and master’s degree in project management from Zhejiang University in the PRC in September 2014.