Warren-Green was born in Gloucestershire and attended Westminster City School, where he was a chorister,[1] and later the Royal Academy of Music.
In August 2008, Warren-Green appeared in the reality TV talent show-themed television series, Maestro on BBC Two, as a mentor to Jane Asher, one of the students.
[7] He conducted the London Chamber Orchestra at the April 2011 wedding of the Duke and Duchess of Cambridge before a worldwide television audience.
To mark the occasion of the Queen's 80th birthday at Kew Palace, he conducted a private concert for the entire Royal family.
[11] Warren-Green has recorded for BMG, EMI, Philips, Virgin, Warner Classics.,[12] Chandos and Deutsche Grammophon.