Described as a pianist of ‘exceptional’, ‘brilliant’ and ‘dazzling’ ability, he is renowned for his solo performances, releasing a Barclaycard Mercury nominated solo album 'Good Days at Schloss Elmau” on ACT in 2011 which was lauded as "dazzlingly fresh", "world class", "stupendous" "phenomenal" "a cause for huge celebration". His music is widely acclaimed as ‘engaging, exciting, often unexpected, melodically enthralling, complex yet hugely accessible', and above all 'wonderfully optimistic’. Gwilym is often on radio and TV including The Proms on BBC2 TV, as guest presenter on ‘Saturday Classics’ and “Composer of the Week” on BBC Radio 3, and with the finalists at the first BBC Young Jazz Musician of the Year Awards on BBC4 TV. In 2018 he is Artist in Residence with the NDR Big Band. In 2014 he released two highly acclaimed albums on ACT “Instrumation” with the City of London Sinfonia and “Reverie at Schloss Elmau” a duo with his long time collaborator bassist Yuri Goloubev. Gwilym co-leads Anglo-American Supergroup 'The Impossible Gentlemen' nominated as Best Ensemble in the 2013 Parliamentary Jazz Awards. He is currently touring the world with US guitar legend Pat Metheny’s new quartet. He is Professor of Jazz Piano at his alma mater The Royal Academy of Music.