He competed in both series of Are You an Egghead?, reaching the last 16 in 2008, and the final in 2009, where he lost to fellow Millionaire winner Pat Gibson.
He studied Advanced French as an external student at Keele University with his wife Viv Edwards.
He worked as a physics teacher at Cheadle High School and Denstone College, Staffordshire, prior to his appearance on Millionaire.
Broadcast on 30 March 2012, he appeared on the quiz show Champions special edition of The Weakest Link, competing against other winners of major UK quiz shows including Chris Hughes and fellow WWTBAM winner Judith Keppel.
Since 2008 Edwards has been the Captain of the national side, and in 2010 led Wales to its highest ever finish in the European Championships (4th).