He studied sociology and history at Maynooth, followed by the London College of Printing, where he earned a diploma in broadcast journalism.

[2] After graduation, Doyle worked on local radio with BBC Radio Suffolk based in Ipswich, before moving on to ITV to present the children's show Disney Club in 1995, following a chance meeting with a producer from the show at a visit to Alton Towers.

[3] Moving to London, he presented Tomorrow's World, Fasten Your Seatbelt and Innovation Nation, and spent six years hosting BBC One's Holiday.

[4] Doyle was a member of the BBC Sport team from 2004, international rugby, including the Six Nations Championship, and triathlon.

[12] Since November 2021, Doyle has been appearing on ITV show This Morning usually presenting the competitions and light entertainment segments.

He finished third, behind comedian Leo Reich and scientist and entrepreneur Anne-Marie Imafidon, but ahead of former Paralympian Tanni Grey-Thompson.

[16] Doyle presented the ESAT Young Scientist Exhibition in Dublin, sponsored by BT Ireland in 2005.