Guy Protheroe was a chorister at Canterbury Cathedral, and studied at Magdalen College, Oxford, and the Guildhall School of Music. He then formed the contemporary music ensemble Spectrum and became conductor of the English Chamber Choir. With Spectrum he has toured extensively in Europe and the United States, and collected recording awards for its CDs of music by Jonathan Harvey and Xenakis. He has conducted extensively with choirs and orchestras throughout Europe and in the United States, the latter most recently in early English music with the acclaimed vocal ensemble Cappella Romana. He is strongly involved in Greek culture and has been artistic director of the Greek Festival in London and Byzantine Festivals in the United Kingdom, Greece and Bulgaria.