Thomas Robert "Tom" Daley (born 21 May 1994) is an English diver who specialises in the 10 metre platform event and was the 2009 FINA World Champion in the individual event at the age of 15. He started diving at the age of seven and is a member of Plymouth Diving Club. He has made an impact in national and international competitions from age 9. He represented Great Britain at the 2008 Summer Olympics where he was Britain's youngest competitor, the youngest competitor of any nationality outside the sport of swimming, and the youngest to participate in a final. In the first post-Rome 2009 World Championships edition of the FINA World Diving Rankings for the ten-metre platform, Daley reached a new career best ranking of number one.