Bela Károlyi is a retired Romanian gymnastics coach, best known for his significant contributions to the sport. He was born on September 13, 1942, in Romania and later became a prominent figure in gymnastics coaching, particularly in the United States. Károlyi is famous for training several Olympic champions, including Nadia Comăneci, who achieved the first perfect 10 in Olympic history. In the 1980s, Károlyi and his wife, Martha Károlyi, opened a gymnastics training facility in Texas, which became a hub for elite gymnasts. His coaching style emphasized hard work and discipline, leading to numerous successes in international competitions, including the Olympics.