21Vianet Group, Inc. announced that Mr. Terry Wang, its Chief Financial Officer (CFO), has decided to resign due to personal reasons, effective immediately. Mr. Wang will serve as an advisor to the company and facilitate a smooth CFO transition. Mr. Wang has served as the company's CFO since June 2015.

The company also announced that Ms. Sharon Xiao Liu will succeed Mr. Wang as CFO of the company. Ms. Liu will be undertaking the company's finance, legal, internal controls, merger and acquisitions, capital markets, and investor relations responsibilities. Ms. Liu currently serves as the company's vice president of finance, primarily responsible for finance-related matters in the company's hosting and related services business.