Justine studied at the Welsh College of Music and Drama under Jane Price, graduating with distinction.

Her operatic roles include Gianetta in L’Elisir D’Amour, Augusta in The Parlour and First Bridesmaid in The Marriage of Figaro.

She has given concert performances around the world with works including Requiems by Mozart and Rutter, Handel’s Messiah, Bach’s Magnificat and Haydn’s Nelso Mass in which she was soloist for Laszlo Heltay in Israel.

Justine joined the Treorchy Male Choir on their tour of Canada and the West Coast of USA in October 2000.