Board of Directors

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.
Chairman of the Board
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.
Juan Li
Director
Ms. Juan Li has served as our director from January 2021. Ms. Li is a senior director at Ant Financial (Hangzhou) Network Technology Co., Ltd., where she has served from January 2017. Prior to that, Ms. Li had a career spanning across key roles at a few companies, including operations director at Koubei (Hangzhou) Information Technology Co., Ltd. from October 2015 to January 2017 and operations director at Alipay (Hangzhou) Internet Technology Co., Ltd. from January 2008 to October 2015. Ms. Li received her bachelor's degree in international finance from Hangzhou Business School (now known as Zhejiang Gongshang University) in June 2001 and her master's degree in industrial economics from Zhejiang University in June 2004.
Feng Zhang
Director
Mr. Feng Zhang has served as our director since July 2017. Mr. Zhang joined Xiaomi Corporation (HKEX: 1810) since September 2016 and currently serves as the group chief of staff and chairman of the group procurement committee. Mr. Zhang has spent over 20 years in the mobile phone and communication industry. He founded Jiangsu Zimi Electronic Technology Co. Ltd. and served as its general manager in 2013, and the company later became one of Xiaomi's ecosystem partners. Prior to that, Mr. Zhang served as general manager at Inventec group's Nanjing branch for almost 20 years from 1993 to 2012. Mr. Zhang received a bachelor's degree in radio electronics from University of Shanghai for Science and Technology in 1991.
Onward Choi
Independent Director
Mr. Onward Choi has served as our independent director since March 2021. Mr. Choi currently serves as an independent director and the chairman of the audit committee of both Tuniu Corporation (Nasdaq: TOUR) and Ucloudlink Group Inc. (Nasdaq: UCL). Mr. Choi was the acting chief financial officer of NetEase, Inc. (Nasdaq: NTES; HKEX: 9999) from July 2007 to June 2017. Mr. Choi also serves as an independent non-executive director and the chairman of the audit committee of Beijing Jingkelong Company Limited (HKEX: 0814) and Tongdao Liepin Group (HKEX: 6100). Mr. Choi is a fellow member of the Association of Chartered Certified Accountants, CPA Australia and the Hong Kong Institute of Certified Public Accountants. Mr. Choi received a bachelor of arts degree in accountancy with honors from the Hong Kong Polytechnic University.
Jiawei Gan
Independent Director
Mr. Jiawei Gan has served as our independent director since March 2021. Mr. Gan currently serves as an independent director and the chairman of the compensation committee and the nominating and corporate governance committee of 17 Education & Technology Group Inc. (NYSE: YQ). Mr. Gan has also served as an operating partner of Hillhouse Capital Group since 2018, responsible for providing consulting services to invested companies. From 2011 to 2016, Mr. Gan worked in several positions at Meituan (HKEX: 3690), including as chief operation officer and president of the in-store food voucher business unit. From 2000 to 2011, Mr. Gan worked in several positions at Alibaba Group (NYSE: BABA), including as vice president of sales, senior director of sales operation team, internet operation director and marketing director, focusing on sales and marketing. Mr. Gan received his bachelor's degree in food engineering from Zhejiang Gongshang University in 1995 and his EMBA degree from China Europe International Business School in 2011.
Benny Yucong Xu
Independent Director
Mr. Benny Yucong Xu has served as our independent director since March 2021. Mr. Xu has spent over two decades at Unilever and rose through the ranks. He has served as the vice president of the food & refreshment division at Unilever North Asia since July 2019 and had various other roles with Unilever in the past, including marketing management trainee, brand manager and brand director at Unilever China, Asia and Global. Mr. Xu received his bachelor's degree in mass communication and media from Shanghai International Studies University in June 2000.