Born in Sydney, Alexander trained at The Royal College of Music, The International Opera Academy, Belgium and The University of York. At the RCM he was supported by The Countess of Munster Musical Trust and a Cuthbert Smith Award.
Recent work includes Hänsel und Gretel and L’elisir d’amore for The Australian Institute of Music, The Magic of Mozart for Devon Opera, Iernin by George Lloyd for Surrey Opera, Viva Verdi! for New Devon Opera and Die Fledermaus for Surrey Opera. He has assisted directors Jacopo Spirei and Christopher Cowell at Co-Opera Co. and Danish National Opera respectively.