By 2023, Professor Liu Shi will be 59 years old. Professor Liu Shi was born in 1964. By 2023, he had graduated from Beijing Normal University, aged 2023-1964=59, 1982. He used to be the vice president of Beijing People's Police College and the director of the special driving training center for automobiles. Professor beijing police college is currently in charge of the course of special driving skills and tactics for police vehicles and a visiting professor at People's Public Security University of China.