Nathan is a singing teacher, musical director and singer/pianist. He has worked with the Estill model for many years with teachers including Maureen Scott, Paul Farrington and Anne-Marie Speed. He has a private teaching practise based in South East London, and has taught in colleges including Bird College, Mountview Academy of Theatre Arts, Drama Studio London and the Actor's Centre, He also regularly gives masterclasses at the Bernstein School fo Musical Theatre, Bologna and spoke on the musical theatre voice at La Voce Artistica international voice conference in 2011. He was a vocal coach for the second series of ITV's Popstar to Operastar. He has performed in concert and cabaret all over the world, both as a solo artist and as musical director for performers such as Kaye Ballard, Brent Barrett, Linzi Hateley, Donna McKechnie, Liliane Montevecchi, and Julie Wilson. Theatre work in London includes Closer Than Ever, Assassins, Elegies, Miss Saigon, The Lion King, The Producers and Whistle Down The Wind.