In 2012, he lived in Carrizal de Wit, Las Palmas, Canary Islands.

[4] Oliver raced competed at the 2004 Summer Paralympics, where he earned a silver medal in the 4 x 100 meters 49 points medley relay and a bronze in the 100 meter butterfly race.

[3] In 2012, Oliver competed at the Paralympic Swimming Championship of Spain by Autonomous Communities, representing the Canary Islands.

[7] Prior to heading to London, he participated in a national vision impaired swim team training camp at the High Performance Centre of Sant Cugat from 6 to 23 August.

[9] In November 2013, he competed at the Spanish Age Swimming Championships for blind and visually impaired.