Ashley is currently the conducting fellow for the Guildhall School of Music & Drama Opera School, studying under Dominic Wheeler. Whilst studying at Trinity Laban, Ashley was the recipient of both the Alan J Kirkby Conducting Prize and the Charles Proctor Prize for Choral Conducting.  During his time there, he was the musical director of PuzzlePiece Opera group, a company specialising in putting on abridged productions in intimate venues.  With the group, he conducted performances of Die Fledermaus (Strauss II) and Acis & Galatea (Handel) and music directed and played piano for productions of Così fan tutte (Mozart) and Die Zauberflöte (Mozart).  At Guildhall School of Music and Drama, Ashley was Assistant Conductor to Timothy Redmond for their summer 2018 opera scenes, and will be assistant conductor to Dominic Wheeler for their spring 2019 production of A Midsummer Night's Dream (Britten). 

Other opera highlights include performances of Deep Waters (McDowall) and scenes from Hänsel und Gretel (Humperdinck) as part of the 'Summer Music on the Shannon' festival in Ireland. In London, Ashley has worked as assistant conductor alongside Jessica Cottis on the world premiere of Banished (McNeff) at Trinity Laban, and as assistant conductor to Nicholas Jenkins on Carmen (Bizet) with Blackheath Halls Opera. In the summer of 2017, Ashley was the assistant conductor for Blackheath's production of Der Freischütz (Weber).  For Glyndebourne, Ashley was offstage conductor for the world premiere of Belongings, as well as working as répétiteur for the production.

Ashley is in high demand as a choral conductor and has worked with the Royal Greenwich and Blackheath Halls Youth Choir, the Bellerby's College Choir in Greenwich, Take Note Blackheath Choir, the choir of St. Olave Hart Street Church, the New Sussex Singers and the office choirs of The Royal Academy of Arts and Gowling WLG.

Last year, Ashley conducted the world premiere of Fundamental Forces, by Erica MacLeod. This work for orchestra, singers, dancers, electronics and visual arts was created in partnership with the dance/film collective Figure + Phrase.