Cao Guowei joined Sina in September 1999 and successively went on to serve as the vice president in charge of finance, the Chief Finance Executive (CFO), the CEO and subsequently, the president of the company.

Cao Guowei is the president and CEO of Sina.

Cao Guowei was born in November 1965 in Shanghai. After he graduated from the Department of Journalism in Fudan University, Cao obtained a Masters of Journalism at the University of Oklahoma and a Masters in Finance at Austin University, Texas.

Cao worked as a senior manager in PricewaterhouseCoopers, one of the world's top five accounting firms, and was involved in the listing of a number of high-tech companies in NASDAQ.

Cao Guowei joined Sina in September 1999 and successively went on to serve as the vice president in charge of finance, the Chief Finance Executive (CFO), the CEO and subsequently, the president of the company. He has played a key role in making Sina a leading Internet media and online advertising platform in China.

In May 2009, the company launched Sina microblogging, which has become a popular Internet product around the nation with over 50 million registered users as of the end of 2010. The number exceeded 100 million by the end of February 2011.