Simon is best known as a regular on various BBC Radio shows including the award-winning Dead Ringers. An actor, scriptwriter and comedian, he co-wrote and starred in The Fordham & Lipson Show on BBC Radio Four and was a regular panellist on And This is Them on Radio 2. Simon has appeared in three solo shows on the Edinburgh Fringe and was for many years a regular at the Comedy Store. He created and hosted the popular Making An Impression podcast. He is currently presenting the Drivetime Show at Pluto Radio.