Alexandros Koustas is the principal violist of the English National Ballet Philharmonic and a member of the Academy of St Martin in the Fields. He studied the violin and viola at the Royal Academy of Music and during his studies was awarded both of the institution’s viola prizes. In 2009 he was a resident artist in the Banff Centre, Canada, where he performed as a soloist and chamber musician. He was also a prize winner in the 2006 Lionel Tertis Viola Competition. He has appeared as a guest principal with the BBC Concert orchestra, the CBSO, LPO and other ensembles and regularly works as a guest principal with the National Symphony Orchestra of Ireland. In January 2020, Alexandros recorded the Skalkottas double concerto with the London Philharmonic Orchestra.