About Grand Master Tung Dinh Grand Master Tung Dinh is an esteemed figure known for hisunparalleled physical achievements and his dedication to honoring freedom and community. Heis the owner of Quest Fitness and Martial Arts America, where he encourages a healthy lifestylefor children and adults. Over the years, he has used his feats of strength to inspire and unitepeople, commemorating the resilience of the human spirit and the importance of remembrance.