21Vianet Group Culture Company

Mr. Wing-Dar Ker has been the President of Microsoft Cloud Business Unit at 21Vianet Group, Inc. since October 10, 2013. Mr. Ker is a 19-year Microsoft veteran. He served as General Manager of Customer Service and Support (CSS) for the Asia Pacific and Greater China (APGC) Region at Microsoft, where he led a team of 900 staff located in 13 cities across Asia. He was responsible for overseeing customer service and technical support in the APGC region, as well as web support for the Americas and EMEA regions. Mr. Ker joined Microsoft in 1993 as the Finance Controller for APGC responsible for finance and administration functions. Later, he was responsible for managing distribution and resell channels as well as the small- to mid-size business segment sales. He also served as Asia Chief Information Officer, where he managed Microsoft internal IT functions for the Asia Pacific region and oversaw the technology infrastructure of over 45 locations across Asia. Over his tenure at Microsoft, he, as well as the APGC CSS under his leadership, received many industry awards from reputable institutions that recognize his leadership in driving innovations in customer services and support. Mr. Ker holds a Master Degree of Business Administration (MBA) from the Case Western Reserve University in Cleveland, Ohio and a Bachelor Degree of Economics from the National Taiwan University.

Mr. Jingping Ma has been Senior Vice President of Data Center Business Group at 21Vianet Group, Inc. since August 2015. Mr. Ma served as the Vice President and General Manager of the group for the Beijing region at 21Vianet Group, Inc. from April 2014 to August 2015. Prior to, he served in different management roles for several companies, including H2 Comm and ChinaCache. Before that, Mr. Ma worked in Cisco China from 1997 to 2007 and held various managerial positions focusing on sales and channel business. From 1994 to 1997, Mr. Ma served as the Product and Channel Manager for EDC China. From 1989 to 1994, Mr. Ma served as an Engineer for Gudong Foshan No.8 Radio Factory. Mr. Ma graduated from Shanghai Jiaotong University in 1989 and received his EMBA degree at Tsinghua University in 2008.