John Kang began training in Yang-Style Taiji at age 10. Since then, he has gone on to several other forms of martial arts, including Shorinji Kempo and Chen-style Taiji while living in Japan; Xing Y, Water Boxing and Yang Taiji from Sifu Johnny Jang; and the fundamentals of western boxing and wrestling, Brazillian Jujitsu, Sambo and Thai kickboxing.

However, John's primary martial art is Wing Chun Kung Fu, which he started learning from Sifu Lo Man Kam, the nephew of Bruce Lee's teacher Grandmaster Ip Man. He has taught since 1998 and in 2005 formed the East West Wing Chun Kung Fu Association. He teaches Wing Chun at the Traditional Asian Health Center.