Most famous for his humorous musical radio program The Horne Section, Horne also contributed to the BBC Two television program Never Mind The Buzzcocks and wrote and performed several pieces for the Edinburgh Fringe Festival.
While working toward a bachelor's degree in Classics at Sidney Sussex College, Cambridge, he performed with the Cambridge University Footlights Dramatic Club.
He published his first humor book, Birdwatchingwatching, in 2009.
He was born and raised in West Sussex, England.
In late 2012, his famous Horne Section comedy band performed a musical number that poked fun at comedian Josh Widdicombe.