Mark Foster is a retired British swimmer who was one of the top butterfly and freestyle sprinters of his generation. He competed in six Summer Olympics, from 1988 to 2004, and won several international medals, including a silver medal in the 50-meter freestyle at the 1992 Summer Olympics in Barcelona.

Foster was known for his powerful swimming style and his ability to perform at the highest level under pressure. He set several British and European records during his career and won multiple gold medals at the Commonwealth Games and the European Championships.

After retiring from competitive swimming, Foster became a television commentator and analyst, covering major international swimming events. He is also a motivational speaker and an ambassador for various organizations, including the LGBT community.

Overall, Mark Foster is regarded as one of the greatest British swimmers of all time, and his achievements and contributions to the sport continue to inspire and influence swimmers around the world.