Ma is the executive director, chairman and chief executive officer of the Company, and is fully responsible for the strategic planning, positioning and management of the Group. Mr. Ma is one of the main founders and has been employed by Tencent since 1999. Before taking up his present post, Mr. Ma was responsible for the research and development of Internet paging system in Shenzhen Runxun Communication Development Co., Ltd., a telecom service and product provider in China. Mr. Ma obtained a Bachelor of Science degree in Computer and Application from Shenzhen University on 1993, and has more than 10 years of experience in the telecommunications and Internet industries.
Zhang Zhidong: Senior Executive Vice President and Chief Technology Officer.
Zhang Zhidong, the executive director and chief technology officer of the Company, is fully responsible for the development of the Group's proprietary technologies, including the development of basic instant messaging platforms and large-scale online application systems. Mr. Zhang is one of the main founders and has been employed by Tencent since 1999. Before taking up his current position, Mr. Zhang worked in Shenzhen Liming Network Co., Ltd., mainly responsible for the research and development of software and network application systems. Mr. Zhang obtained a bachelor of science degree in computer and application from Shenzhen University on 1993 and a master's degree in computer application and system architecture from South China University of Technology on 1996. Mr. Zhang has more than eight years of experience in the telecommunications and Internet industries.
Xu: Senior Executive Vice President and Chief Information Officer.
Xu, the company's chief information officer. Mr. Xu is one of the main founders and has been employed by Tencent since 1999. Be fully responsible for the strategic planning and development of website property, community, customer relationship and public-private relationship. Before taking up his present post, Mr. Xu worked in Shenzhen Data Communication Bureau and accumulated rich experience in software system design, network management, marketing and sales management.
Chen Yidan: Senior Executive Vice President and CEO.
Chen Yidan, CEO of our company. Mr. Chen is one of the main founders. Joined Tencent from 1999, and was fully responsible for the administration, legal affairs and human resources affairs of the group. Mr. Chen is also responsible for the management mechanism, intellectual property rights and government relations of the Group. Before taking up his present job, Mr. Chen worked in Shenzhen Entry-Exit Inspection and Quarantine Bureau for several years.
Ceng Liqing: Lifelong Honorary Advisor to the Co-founder.
Ceng Liqing, one of the five founders of Tencent, has been employed by Tencent since 1999. During the period from 1999 to 2007, he served as the chief operating officer of the company, fully responsible for the business scope and product categories of the group, and managed the promotion of various markets in China. Before joining the Group, Mr. Zeng worked in Shenzhen Data Communication Bureau and was familiar with the Internet and telecommunications industry in China. Mr. Zeng has been a lifelong honorary consultant of our company since June 2007.