 BEIJING, April 29, 2021 GLOBE NEWSWIRE -- 21Vianet Group, Inc. Nasdaq: VNET 21Vianet or the Company, a leading carrier- and cloud-neutral Internet data center services provider in China, announced today that Mr. Tim Chen, Chief Strategy Officer, will assume the role of Chief Financial Officer. Mr. Chen will succeed Ms. Sharon Xiao Liu, who will step down as the Companys Chief Financial Officer and serve as an advisor to the Company before leaving the Company in June 2021. 