For several years Nathan has worked on the MAC award winning show Simply Barbra starring Steven Brinberg, playing worldwide. He has also been Musical Director for such performers as Kaye Ballard, Brent Barrett, Rebecca Caine, David Campbell, Cantabile, Kim Criswell, Debbie Gravitte, Alison Jiear, Jessica Martin, Marin Mazzie, Liliane Montevecchi, Christine Pedi, Marti Webb, Gary Williams, Julie Wilson and albums include Donna McKechnie - Same Place: Another Time (Jay), Simply Barbra - original London cast (TER), Lindsay Hamilton - It's Me!, James Gillan's self titled debut album, Linzi Hateley - True Colours, Gay Soper - Flying Fish and Fallen Angels and his own CD - Anywhere With You, available on LML music.
Nathan is a Certified Master Teacher of Estill Voice Training and a member of The British Voice Association. He was a vocal coach for the second series of ITV's Popstar to Operastar and has taught at The Actor's Centre, Bird College Of Performing Arts, Drama Studio London and given masterclasses at The Bernstein School of Musical Theatre, Bologna and for Laboratorio IALS Musical di Roma. In October 2011 Nathan spoke on the Musical Theatre voice at La Voce Artistica international voice conference in Ravenna.