1. Ezekiel Kemboi Cheboi was born on 25 May 1982 and is a Kenyan professional athlete, winner of the 3000 metres steeplechase at the 2004 Summer Olympics, the 2009 World Championships, the 2011 World Championships, the 2012 Summer Olympics, the 2013 World Championships and the 2015 World Championships.
Ezekiel Kemboi is one of only five men to have won both Olympic and World golds in the event, along with Reuben Kosgei, Brimin Kipruto, Conseslus Kipruto and Soufiane El Bakkali.
Ezekiel Kemboi is the only athlete to have won four world championships in the steeplechase.
Ezekiel Kemboi is one of only three athletes to have won two Olympic titles in the event; the other two being Volmari Iso-Hollo and Soufiane El Bakkali.
Ezekiel Kemboi did not take up athletics until after he left school, but was spotted by Paul Ereng and won the African Junior Championships in 2001 despite falling.
Ezekiel Kemboi became African Junior Champion in 2001 and then in 2002, he finished second at the Commonwealth Games behind compatriot Stephen Cherono.
At the 2003 World Championships, Ezekiel Kemboi had a gruelling battle with former teammate Saif Saeed Shaheen who represented his new country Qatar, before Shaheen pulled away from the exhausted Ezekiel Kemboi to win by less than a second.
Ezekiel Kemboi won the gold medal at the 2003 All-Africa Games.
Ezekiel Kemboi finished second at the 2006 African Championships in Athletics, but was disqualified for improper hurdling.
Ezekiel Kemboi rebounded with a win at the 2009 World Championships after three successive silvers and took silver at the 2010 African Championships the following year behind 2008 bronze medalist Richard Mateelong.
Ezekiel Kemboi took to the road races of Italy in August 2010, beating Peter Kimeli to the tape to win the Corribianco race in Bianco, then taking the honours at the 8.5-kilometre Amatrice-Configno.
Ezekiel Kemboi won the gold medal at the 2011 World Championships in Athletics in Daegu, South Korea.
Ezekiel Kemboi won the gold medal for Kenya in the 3000m Steeplechase in London 2012.
Ezekiel Kemboi won in a time of eight minutes 18.56 seconds.
In 2013, Ezekiel Kemboi added his third straight gold medal at the World Championships.
Ezekiel Kemboi was later that day disqualified for stepping outside of the track.
Ezekiel Kemboi announced his retirement immediately following the Olympic race, but rescinded that decision after learning of his disqualification.
Ezekiel Kemboi made one final attempt, making the finals at the 2017 World Championships, where he finished a disappointing 11th place.
Ezekiel Kemboi is married to Jane Kemboi with two sons.