Rosie Howarth is a conductor and singer, working in London and Birmingham. In 2016 she graduated from the Royal Welsh College of Music and Drama with an MA in Choral Conducting, where she received a scholarship from the Worshipful Company of Musicians. Prior to this she studied Music and German at Cardiff University and the Freie Universität, Berlin, graduating with first-class honours in 2012 and receiving the David Evans prize.

Rosie is the Musical Director of Festival Chorus in Clapham and Rainbow Voices LGBT+ Choir.

Before moving to London, Rosie worked as a freelance conductor in South Wales, as Musical Director of Cor Bro Ogwr in Bridgend, Caerphilly Community Chorus, and Songbirds LGBT Choir. In 2019 she was one of the Artistic Directors of Hand in Hand Festival, the biggest national LGBT Choir Festival in the UK, and is a patron of South Wales Gay Men’s Chorus.

In 2021 Rosie conducted Gothic Opera's UK premiere of Gounod's La Nonne Sanglante, which won an Offie for best Opera production, and in 2019 she took part in the RPS Women Conductor's Conducting for Opera course at the National Opera Studio and Royal Opera House.