Weibo Microblogging Site "Sina"
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Charles Chao or Guowei Chao (Chinese: 曹国伟; pinyin: Cáo Guówěi) is a Chinese American businessman who is the CEO and President of Sina Corp. Sina Corp is listed to trade on NASDAQ and now has around 63,918 employees worldwide. He has been with Sina since 1999, where he came in as vice president of finance.