William Cheung or
Cheung Cheuk Hing (張卓慶,
pinyin:
Zhāng Zhuóqìng), born October, 1940, is a Chinese
Wing Chun kung fu practitioner and currently the
Grandmaster of his lineage of Wing Chun, entitled
Traditional Wing Chun (TWC). He also heads the sanctioning body of TWC, the World Wing Chun Kung Fu Association.