[7] His success in the competition persuaded Warwickshire to offer him a one-year contract to play county cricket in England in the 2003 season following his breathtaking performances at the 2003 World Cup.
Due mainly to lack of match practice, Obuya began to struggle with his bowling, and in November 2005, he travelled to Australia to train with spin-bowling coach Terry Jenner.
[1] He was also taught spin bowling by the then head coach of Kenya Under19 side Balwinder Sandhu during the U19 World Cup tournaments.
[26] During the 2003 World Cup campaign, he received advice and bowling tips from Australian leg spinner Shane Warne.
He along with his brother David signed a sponsorship deal with Kenya-based office equipment supplier CopyCat prior to the 2007 Cricket World Cup, at a time when the national team itself did not have an official sponsor.
[34] In July 2011, he was appointed as the captain of the Kenyan cricket team replacing Jimmy Kamande following the dismal 2011 World Cup campaign for Kenya.
[35][36] Cricket Kenya suspended him for two warmup matches ahead of the 2013 ICC World Twenty20 Qualifier after an altercation with his teammate Irfan Karim.
[41] In October 2018, he was named as the captain of Kenya's squad for the 2018 ICC World Cricket League Division Three tournament in Oman.
[43][44] In May 2019, he was named in Kenya's squad for the Regional Finals of the 2018–19 ICC T20 World Cup Africa Qualifier tournament in Uganda.
[45][46][47] In September 2019, he was named in Kenya's squad for the 2019 ICC T20 World Cup Qualifier tournament in the United Arab Emirates.
[52] In October 2021, he was named in Kenya's squad for the Regional Final of the 2021 ICC Men's T20 World Cup Africa Qualifier tournament in Rwanda.