Warren is a third generation professional Brass player. He grew up in Surrey where at various times he was principal Trumpet of all the leading orchestras including Surrey County Youth Orchestra and Surrey County Youth Wind Orchestra.

He attended the Royal College of Music, winning the David Mason Trumpet Prize and holding the position of Principal Trumpet in all the orchestras.

Warren has performed with the BBC Symphony Orchestra, English National Opera and London Philharmonic Orchestra amongst others. He has also performed on TV and Radio several times, sharing the stage with The Stylistics, The Drifters, Cliff Richard & Roy Castle.

He has performed at all the country's leading venues including the Royal Albert Hall, Royal Festival Hall, Barbican, Lakeside, Fairfield Halls, Royal Opera House and Guilford Cathedral.