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Ip Man, also known as Yip Man, (Chinese: 葉問; 1 October 1893 – 2 December 1972), was a Chinese martial artist of Cantonese ethnicity, and a master teacher of Wing Chun.  He had several students who later became martial arts masters in their own right. His most famous student was Bruce Lee.

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           Grand Master William Cheung

Grandmaster William Cheung has been called the Masters’ Master; he was considered by Bruce Lee to be the “ultimate fighter”: William Cheuk Hing Cheung was the sole inheritor of the Traditional Wing Chun Kung Fu system, and was the person responsible for introducing Bruce Lee to Wing Chun Kung Fu.  Grandmaster William Cheung, teacher and mentor to the late Bruce Lee in Hong Kong in the 1950s, has been teaching Wing Chun Kung Fu for 50 years.  He has appeared on over 40 magazine covers worldwide, and has been awarded the Black Belt, Inside Kung Fu and Blitz Hall of Fame Awards.  He was Chief Instructor for the US 7th Fleet in Yokosuka, Japan, and in 2012 was awarded the Distinguished Law Enforcement Community Impact and Life Achievement Award by Chapter 38 of the Federal Law Enforcement Officers Association in Delaware, USA.  His sons, Masters Andrew and James Cheung, are resident Instructors at Melbourne HQ and conduct Traditional Wing Chun Kung Fu seminars throughout Australia and worldwide.

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           Master Keith Mazza

Master Keith Mazza has been training in the martial arts for over 50 years, specializing in Traditional Wing Chun Kung Fu.  A three-time Hall of Fame inductee, Mazza was hand-picked by Grandmaster William Cheung to train and serve as the North American Liaison for the World Wing Chun Kung Fu Association.  Aside from expertly training students in the art, he uses his talents to implement Grandmaster Cheung’s Stress Management and Pro-Tekt Rape Awareness & Prevention programs into government institutions and corporate facilities.  He designs and institutes training programs for military and law enforcement personnel, the physically and mentally challenged, and the elderly in surrounding South New Jersey medical facilities.  In addition, Master Mazza collaborates with the Board of Education to aid students, from primary school to college levels, cope with day to day pressures with the implementation of stress/anger management and self-defense programs. 

Through this type of dedication to the art and exceptional fighting expertise, Master Keith Mazza honorably became Grandmaster Cheung’s first Closed Door Student in 2006.

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           Sifu David Kil Kim

Sifu David Kil Woon Kim (김길운, 金佶運) is a certified instructor under Master Keith Mazza who is the closed-door student of GM William Cheung and who is in charge of the North American Liaison for the World Wing Chun Kung Fu Association.  He obtained the Provisional Master Level 2 on 21 November, 2018.  Now he is living in Beaverton, Oregon.

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