Jonathan Gill studied composition with William Mathias at the University of Wales followed by two years in the Opera School of the Royal College of Music under James Lockhart.

Most recently Jonathan was Associate MD on The Lion King at the Lyceum Theatre, London. Previous work as MD includes Oliver (Sheffield Crucible), Legacy Falls (Pearl Theatre, NewYork), Gone Fishing (Linbury Studio, Royal Opera House), workshops of Pride and Prejudice (Sonia Fiedman Productions) and Flowers for Mrs Harris (Vicky Graham Productions). He was Music Director/Arranger for Charlotte's Web at Derby Theatre. The Go-Between (West Yorkshire Playhouse, Derby and Northampton) for which he was also MD, won the UK theatre award for best musical production 2012. Jonathan conducted 600 performances of The Sound of Music on its UK and Irish tour, starring Connie Fisher. Other credits include Carousel, Of Thee I Sing and Let ‘Em Eat Cake (Opera North); The Wizard of Oz (Royal Festival Hall); Richard Taylor’s new opera, Confucius Says (Hackney Empire, RPS Award 2009); The Lion, the Witch and the Wardrobe (West Yorkshire Playhouse and Birmingham Rep); Follies (Royal and Derngate, Northampton); Carl Davis’s Alice in Wonderland (WYP/Birmingham Rep); Falstaff (MTL at the Drill Hall); The Jonah Boy(Stephen Joseph, Scarborough); Peribanez and Sleeping Beauty(Young Vic); and Putting It Together and Company (Library Theatre, Manchester). Jonathan arranged and conductedSchool4Lovers, a hip hop version of Così fan tutte (Glyndebourne, Finnish National Opera and Estonian National Opera); and was Musical Arranger for adaptations of Le nozze di Figaro, Carmenand Die Fledermaus (New Vic, Stoke).

Jonathan was assistant MD for Oklahoma! (National Theatre at the Lyceum); Guest Conductor for Matthew Bourne’s The Carman(Old Vic); and was MD for The Dreaming by Howard Goodall and Charles Hart (Linbury, ROH) and Crazy for You (UK National tour).

Jonathan has also given premieres of pieces by Jonathan Dove, Richard Taylor, Phillip Cassian, Ian McQueen and Matthew King’s On London Fields (RPS Award 2005), and OdysseanVariationswith cellist Natalie Clein (LSO St Luke’s).