Sun Zhijun (孫志君) is a well-known present-day teacher of Cheng style baguazhang, living in Beijing, China. Born in 1933 in Cheng Village, Shen County, Hebei Province, Sun began his baguazhang training under Liu Ziyang (劉子楊), disciple of Cheng Dianhua (程殿華) (Cheng Tinghua's younger brother). Later, he also had the opportunity to study with Cheng Yousheng (程有生) (Cheng Dianhua's son) and Cheng Youxin (程有信) (Cheng Tinghua's second son) in Beijing. Today, he has many disciples teaching his baguazhang around the world.
Besides traditional baguazhang, Sun has also taught baguazhang to modern wushu players for competition, training over 10 baguazhang national champions in the past 20 years.
Championships：
1. 1964 Beijing Martial Art Championship Champion (palms & weapons)2. 1983 National Conventional Martial Arts Championship Champion3. 2004 World Conventional Martial Arts Festival Champion (palm & saber)Coaching Achievements:
1982 Coached Beijing Municipal Women's Martial Art Team1982 Coached at Eastern Municipal Martial Art Institute1983 Obtained National Coach of Excellence's title1983 2 Academic visits to Japan for Ba Gua Zhang exchanges1992/93/2005 3 Academic visits introducing Cheng style Ba Gua Zhang to Singapore2006 Coached Cheng style Ba Gua Zhang in KoreaPublications：
1983-86 Was appointed by the Chinese Wu Shu association, as an exclusive commissar of Cheng style to compile information on Cheng Style Baguazhang and weapons. (China)1990 Conventional Chinese Martial Arts (China) VCD1992 Ba Gua Zhang1992 Cheng Style Ba Gua Zhang1994; 2004 Swimming Body interlinked Ba Gua Zhang (China; Taipei, Singapore) Book2001 Swimming Body interlinked Ba Gua Zhang (including weapons) (China) VCD2005 Ba Gua Zhang Counter-Attack (China) VCD2005 Ba Gua Saber Counter-Attack (China) VCD2005 Elaborations on the Applications Of Swimming Body Interlinked Ba Gua Zhang (China) VCD2005 Hei Bei Xing Yi Boxing (China) VCD2012 You Shen Ba Gua Lian Huan Zhang (China) Book and DVD