Management

Mars Guangyuan Cai
Chairman and Chief Executive Officer
Mr. Mars Guangyuan Cai is our co-founder and partner, and has served as our chairman of the board of directors and chief executive officer since our inception. Prior to founding Energy Monster, Mr. Cai served as general manager at Uber Shanghai and a marketing director at Uber China from June 2016 to December 2016. Prior to that, Mr. Cai served as a marketing director and head of the fast-moving consumer goods business unit of Element Fresh from May 2014 to May 2016. Mr. Cai also served as a category director and an associate marketing director of Xtep International Holdings Limited from April 2012 to April 2014, as well as a senior brand manager at Unilever from July 2005 to March 2012. Mr. Cai received his bachelor's degree in management information systems from Shanghai International Studies University in 2005.
Peifeng Xu
Director and Chief Operating Officer
Mr. Peifeng Xu is our co-founder and partner, and has served as our director and chief operating officer since June 2017. Prior to joining us, Mr. Xu served as general manager of third-party delivery business and regional manager of groupon business at Meituan from February 2011 to April 2017. Mr. Xu studied telecommunications engineering at Nantong University.
Maria Yi Xin
Director and Chief Financial Officer
Ms. Maria Yi Xin is our partner, and has served as our chief financial officer since June 2020 and our director since December 2020. Ms. Xin has over 10 years of experience in corporate finance and capital markets with US-listed companies. Prior to joining us, Ms. Xin held various key roles, including chief financial officer and vice president of investor relations, strategic investments and international media, at Tuniu Corporation from December 2013 to May 2020. Prior to her tenure at Tuniu Corporation, Ms. Xin worked in equity research at China Renaissance (HKEX:1911), a leading financial institution in China. She served as several key investor relations roles in the Company such as E-Commerce China Dangdang Inc., a leading business-to-consumer e-commerce company in China and New Oriental Education and Technology Group Inc. (NYSE: EDU). Ms. Xin received bachelor's degrees in economics and law from Nankai University in China in 2007.
Victor Yaoyu Zhang
Chief Marketing Officer
Mr. Victor Yaoyu Zhang is our co-founder and partner, and has served as our chief marketing officer since June 2017. Mr. Zhang also served as our director from June 2017 to March 2021. Prior to joining us, Mr. Zhang served as the head of customer management at Uber Shanghai from March 2016 to December 2016. Mr. Zhang also served as a brand assistant manager at Johnson & Johnson (China) Co., Ltd. from September 2014 to March 2016. Mr. Zhang received his bachelor's degree in public administration from Shanghai Jiao Tong University in 2014.
Xiaowei Li
Chief Technology Officer
Mr. Xiaowei Li is our co-founder and partner, and has served as our chief technology officer since June 2017. Mr. Li also served as our director from January 2021 to March 2021. Prior to joining us, Mr. Li served as general manager of R&D Center and general manager of Tuniu Communications at Tuniu Corporation (NASDAQ: TOUR) from August 2014 to June 2017. Prior to that, he served as the head of cloud computing development at FUJITSU in Nanjing from January 2013 to August 2014. Mr. Li also worked as a senior engineer at NDS from March 2010 to August 2010, innovative engineer at Anevia from March 2009 to August 2010, as well as a software development engineer at Orange Lab from October 2007 to March 2009. Mr. Li received his master's degree in computer systems networking and telecommunications from Université Pierre-et-Marie-Curie in 2007 and his bachelor's degree in telecommunications engineering from Southeast University in China in 2004.