2. Wu Shihong took office on 1998 and left office on 1999.
3. Gao Qunyao 1999 took office and left in 2002.
Tang Jun took office in 2002 and left in 2003.
5. Chen Yongzheng was appointed in 2003 and left office in 2007. According to official website, a Microsoft company, the above is known.