Craig studied Zoology at Sheffield University and Playwriting at Birmingham University. His stage plays include St James and the Tattoo Man, Taking Liberties, The Ministry of Pleasure, The Animals, Hard Sell, Big Bang, Relics and Spearcarriers. He has adapted two of his plays for BBC Radio 4: The Thrill of the Chaste and Monogamy. He dramatised the correspondence between Darwin and Asa Gray on stage for the Darwin Correspondence Project (Re:Design) and those of Charles and Emma Darwin for the BBC World Service (Like Confessing a Murder). His play The Altruists won the 4th STAGE International Script Competition.