Chao Gu was born in Beijing in 1962, member of Chinese Artists Association, stamp designer and researcher of calligraphy and painting academy in China Central Institute for Culture and History. In 2011, China's first set of special stamps entitled "Guan Yu" created by him was issued by China Post for the first time, which has received tremendous approval and favor from fans of Guan Gong culture and philatelists at home and abroad.