Ma: One of the five founders of Tencent Group, he is currently the chairman and CEO of Tencent Group, and is fully responsible for the strategic planning, positioning and management of the Group. Zhang Zhidong: One of the five founders of Tencent Group, he is currently the executive director and chief technology officer of Tencent Group. He 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. Xu: One of the five founders of Tencent Group, he is currently the chief information officer of Tencent Group, who is fully responsible for the strategic planning and development of website property, community, customer relations and public relations. Chen Yidan, one of the five founders of Tencent Group, is currently the chief administrative officer of Tencent Group. He is fully responsible for the administration, law, human resources and charitable funds of the Group, as well as the management mechanism, intellectual property rights and government relations of the Group. Ceng Liqing: One of the five founders of Tencent Group, 1999-2007 served as the chief operating officer of Tencent Group, fully responsible for the business scope and product categories of the Group, as well as managing the national marketing work. At present, he is a lifelong honorary consultant of Tencent Group.