SHANGHAI, Feb. 19, 2013 /PRNewswire/ -- SINA Corporation (NASDAQ GS: SINA), a leading online media company serving China and the global Chinese communities, today announced the promotion of its Chief Operating Officer ("COO") Hong Du to the position of COO and Co-President, and the appointment of Jack Xu to the position of Chief Technology Officer ("CTO") and Co-President. "I am very excited about these appointments. Ms. Du has played a vital role in SINA's success over the past years. I hope this promotion will give her the opportunity to make an even greater contribution and prepare SINA for new areas of growth," said Charles Chao, CEO and Chairman of SINA. "I am also thrilled to have Mr. Xu on board. He brings a strong track record of technological innovation and business management and will add great value to SINA in enhancing our overall product and technological capabilities. With these management appointments, I believe SINA will be able to compete in China's online advertising, social networking and mobile Internet spaces with even greater focus and agility." Mr. Xu recently joined the Company from Cisco as Corporate Vice President of the Communications & Collaboration business unit. Prior to Cisco, Mr. Xu served as Vice President of Engineering & Research at eBay and CTO at Netease. He led the Excite's search engine development in 1996, while pursuing a Ph.D. at the University of California at Berkeley. Mr. Xu holds a B.A. and M.A. in Information Management from Sun Yat-Sen University. About SINA SINA is an online media company serving China and the global Chinese communities. Our digital media network of SINA.com (portal), SINA.cn (mobile portal) and Weibo.com (social media) enable Internet users to access professional media and user generated content in multi-media formats from the web and mobile devices and share their interests with friends and acquaintances. SINA.com offers distinct and targeted professional content on each of its region specific websites and a range of complementary offerings. SINA.cn provides information and entertainment content from SINA portal customized for WAP users. Based on an open-platform architecture to host organically developed and third-party applications, Weibo.com is a form of social media, featuring micro-blogging services and social networking services that allow users to connect and share information anywhere, anytime and with anyone on our platform.