 Clarke began his career as a military bandsman, then studied composition at the Royal Academy of Music with composer Paul Patterson.While at the Royal Academy, he was awarded the Queen's Commendation for Excellence.He was previously Young Composer in Residence at The Hong Kong Academy for Performing Arts, Composition and Contemporary Music Tutor at the Royal Academy of Music, London, Head of Composition at the London College of Music and Media, a visiting tutor at the Royal Northern College of Music and Associate Composer to the world-famous Black Dyke Mills Band , Associate Composer to the Band of the Grenadier Guards, Composer-in-Residence to the Marinierskapel der Koninklijke Marine (Marine Band of the Royal Netherlands Navy) and Associate Composer to Brass Band Buizingen in Belgium.