Guo Si
In 192, Dong Zhuo was assassinated in Chang'an by his subordinate Lü Bu, after which the Han central government came under Wang Yun's control. However, within months, Dong Zhuo's former followers (led by Li Jue and Guo Si) attacked Chang'an and seized control of the central government. At the time, Zhu Jun was still stationed in Zhongmu County. Tao Qian contacted other regional officials and warlords and proposed naming Zhu Jun as Grand Preceptor () to lead them to attack Chang'an and free Emperor Xian from Li Jue and Guo Si's control. At the same time, Li Jue and Guo Si also tried to win Zhu Jun over to their side: they sent him an imperial edict in Emperor Xian's name, ordering him to head to Chang'an and serve as Minister Coachman () in the central government. Although Zhu Jun knew that it was a ploy by Li Jue and Guo Si, he still obeyed the edict because it was sent in the emperor's name.