Management

Chief Executive Officer and Director
Mr. Steve Zhang has served as the CEO of 21Vianet from October, 2015. Prior to joining 21Vianet, Mr. Zhang served as the President and CEO of AsiaInfo, China's largest provider of IT solutions and services in the telecommunications industry, for nine years from 2005 to 2014. In 2012, Mr.
Co-CEO and President
Mr. Shiqi Wang has served as our Co-CEO and President since February 2018. Previously Mr. Wang served as Vice President of TUS Digital Group, a subsidiary of TUS Holdings, and serves on the board of directors of Beijing CIC Technology Co., Ltd. (Ticker: 430109) and Guangzhou Tuwei Technology Co.,
Chief Financial Officer
Ms. Sharon Xiao Liu has served as our Chief Financial Officer since January 2018. Previously, Ms. Liu served as the Company's vice president of finance, primarily responsible for finance-related matters in the Company's hosting and related services business. Ms.
President of Microsoft Cloud Business Unit
Mr. Wing-Dar Ker has served as our president of Microsoft cloud business unit since October 2013. Prior to that, Mr. Ker was the general manager of Microsoft's Customer Service and Support for the Asia Pacific and Greater China Region. Mr. Ker started his career with Microsoft as the finance
Vice President
Mr. Feng Liu has served as our Vice President since August 2016. Currently, Mr. Liu oversees the operations in human resources, application development, IT, and key account departments. Since June 2017, Mr. Liu has been in charge of our Northern China Region in the areas of sales, solutions,
Vice President and General Manager of Eastern China Region
Mr. Chunfeng Cai has served as our Vice President and General Manager of Eastern China Region since January 2016. In July 2017, Mr. Cai also assumed the responsibilities of General Manager of Southern China Region. Prior to joining 21Vianet, Mr. Cai served as Vice President of ChinaCache and was in