Greg is a ‘writer and encourager of writers’. He has worked for many years as editor, dramaturge and script consultant in theatre, film and novels. As well as running writing workshops for Guardian Masterclasses, Southbank Centre and Chichester Festival Theatre, he is the founder of the Criterion New Writing script development programme at the Criterion Theatre, London, now in its fifth year. Graduates of the programme have gone on to have work produced at major theatres in London and elsewhere, and on BBC Radio.