Katy attended Playbox from 2007 to 2010 and was based at the Dream Factory in Warwick. She is best known as the original Joan in SIX and is currently the musical director for Jersey Boys at the Trafalgar Theatre.

Credits as Musical Supervisor/Associate: RENT (Hope Mill Theatre); SIX (U.K. and Australia).

Credits as Musical Director: Bonnie & Clyde: in concert (Theatre Royal Drury Lane); Jersey Boys (Trafalgar Theatre); SIX (Lyric Theatre, Arts Theatre, 2018 U.K. Tour); MT Fest 2021 – Millennials (Turbine Theatre); RENT (Hope Mill Theatre); The Little Big Things (workshop); Hair (Turbine Theatre); Natalie Paris in Concert (The Other Palace); The Wind in the Willows (workshop); An Evening with Aimie Atkinson (The Other Palace); Pageant (U.K. Tour); Sister Act (Bernie Grant Arts Centre); NewsRevue (Canal Cafe Theatre); Soldier On (workshop); Cinderella (Spotlight Theatre); Blues Brothers: Live and The Rat Pack: Live (both C Scala, Edinburgh); Dracula (Arts Theatre & Latitude Festival); Personals (Landor Theatre).

Credits as Assistant Musical Director: Dr Dolittle (U.K. Tour); Norma Jeane (The LOST Theatre). Credits as Composer, Arranger, and/or Orchestrator: The Theban Motherf**ker (co-composer – Latitude Festival); Feathers in the Snow (composer – Unicorn Theatre); Americana (Arranger/Orchestrator – Spa Complex Scarborough & Stage@Leeds); Facehunters (Arranger/Orchestrator)