Gary Hall Jr. is a former competitive swimmer from the United States, born on September 26, 1974. He is a 10-time Olympic medalist, winning a total of 5 gold, 3 silver, and 2 bronze medals in swimming events. Hall specialized in the sprint freestyle and butterfly events, known for his speed and powerful stroke technique. He competed in three consecutive Olympic Games from 1996 to 2004, earning a reputation as one of the fastest swimmers of his time. Off the pool, Hall is also known for his advocacy work for diabetes awareness, as he was diagnosed with Type 1 diabetes at the age of 25.