21Vianet Group, Inc. announced that its Board of Directors has approved several promotions to strengthen its senior leadership team to further enable 21Vianet's continued growth. At the recommendation of the Company's Founder and Executive Chairman Josh Sheng Chen, the Company has appointed the following three senior executives as Chief Executive Officers for the Company's different business units: Alvin Shiqi Wang, currently Group CEO and President, will become Wholesale IDC business group CEO; Chunfeng Cai, currently the Company's Chief Operating Officer, will also assume the role of Retail IDC business group CEO. The appointments are effective January 1, 2021, with each leadership team member assuming their roles on a rotating basis in close coordination with Executive Chairman Josh Chen.