Holding both British and Irish citizenship, Robert Mullan is best-known for his features, Mad to be Normal, Letters to Sofija, Gitel and We Will Sing, all of which he wrote and directed. In the past he has shot single documentaries in India, Pakistan, Sri Lanka, the USA, Germany, France, Egypt and throughout the UK. In addition, he produced a 6 part series for Channel 4 on women spiritual teachers around the world, and a 3 part series on 'mystical Islam', titled Sufism: the Heart of Islam.