Sifu Leo Au Yeung, who teaches both Wing Chun and Hung Gar, and studied Wing Chun with both Ip Chun and Samuel Kwok, is best known for his work on fight choreography on the Ip Man movies starring Donnie Yen.

“From flowing you can observe the condition as it is, and then merge, to be as one, harmonizing with the environment and the opponent. When you harmonize then you can take control.”
GM Sam F.S. Chin

“Awakening and Harmonizing – The Art of Sam Chin” – An Interview by Qi Magazine
Issue 41, February 1999