Su is a freelance theatre director and dramaturg with more than fifty productions to her credit, from short rehearsed readings to full-scale productions in number one venues (Gaslight, Wolverhampton Grand Theatre; Cinderella, Lyceum Theatre, Crewe). She has directed classic plays in rep (An Inspector Calls, Manor Pavilion, Sidmouth; I Have Been Here Before, Tivoli Theatre, Wimbourne) and has worked with many writers to bring their work to the stage (Unclouded Moon, Brighton Festival; (S)Elfish Christmas, Bread & Roses Theatre; Painted Warriors, Tabard Theatre; Invisible Me, Wimbledon Studio Theatre; I, Minnie Lansbury, Bloomsbury Festival; and Moment of Grace, Hope Theatre, for which she was Offie Nominated).

Martin’s plays and documentaries have been broadcast on BBC Radio Four and produced at many London theatres, including Soho Theatre, Theatre503, Lion & Unicorn, Bread & Roses, JW3, N16 Theatre, London Irish Centre and The Bunker, as well as in Wandsworth Prison. Earlier this year he adapted Brendan Behan’s Borstal Boy for Radio Four, starring Brendan Coyle. His play about the Guildford Four, Your Ever Loving, played at the Underbelly, Edinburgh in 2017, and was named best drama of the Festival. His scripted short films have been selected for festivals around the world. He won the BBC Northern Ireland/Tony Doyle bursary. He has worked as a print journalist, radio documentary-maker and TV news producer.