Was a martial arts student of Bruce Lee.
His prefered Martial Arts is Tai-Chi.
He is a former Mr Hong Kong Bodybuilding Champion - he won the title in 1967. and held it for ten years. He is also a former Mainland China powerlifting Champion.
Has two sons, Danny & David Yeung, and a daughter Debbra.
Is a Weightlifter he goes to the gym La Fitness and trains alongside his son David, who is a bodybuilding champion in his own right.
In the 1960s he swam from China to Hong Kong to escape communism.
Was stereotyped as a villain until he got the chance to play the good guy in Shootfighter: Fight to the Death (1993). He played the good guy in 3 more movies: Shootfighter II (1996), TC 2000 (1993), and Fearless Tiger (1991).
His Hollywood breakthrough came when he landed the role of Chong Li in Bloodsport (1988).
He is the Chairman of the Hong Kong Gym Business Association, and the Team Manager of the Tapei international Bodybuilders Squad.
He was born to a local business man and his wife in guangzhou Suburbia which is a suburb of canton in Mainland China.
He first became Bodybuilding Teacher in the 1960s.
Also trained in Wing Chun which is another form of Kung Fu.
Was good Friends with Bruce Lee and they would sometimes get together to train or discuss Kung Fu.
He was wrongly described in the films blurb for Enter the Dragon as being the south east Asian shotokon karate champion - he never even practiced that martial art.
The Fists, the Kicks and the Evil (1979) was his favorite film from that era.
Bolo retains the barbell Bruce Lee kept in his Golden Harvest office along with a rare business card from Lee's Hong Kong production company concord.
In 2007 he played a good guy role in "Blizhniy Boy:The Ultimate Fighter" but this movie is still not released because legal issues.
His best "dead lift" exceeded 700lbs.
He currently lives in Monterey Park which is a city in Los Angeles, California. 
He still lives in Monterey Park and regularly trains at his local gym.