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 Samuel Yuan-Ching Shen, currently serving as Executive Chairman of the Retail IDC business group, will also assume the role of Group CEO. Alvin Shiqi Wang, currently Group CEO and President, will become Wholesale 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.