Paralympic cyclist who won a gold and a silver medal at the 2012 Paralympics in London.
He was born with a serious eye condition, and began training for athletics when he attended Aberdeen University.
He made his Paralympic debut in 2008 as a sprinter, but after lukewarm results, he switched to cycling for 2012.
He was born and raised in Aberdeen, Scotland.
He belongs to a list of Paralympic gold-medalists for Great Britain that includes Sophie Christiansen.