en: Callum O 'brien ( born November 4 , 1982 in New Zealand ) is a professional Cambridge squash player . Callum O'brien ( born 4 November 1982 in New Zealand ) is a Cambridge professional squash player .
ms: Callum O' Brien (lahir 4 November 1982 di New Zealand) ialah seorang pemain skuasy profesional Cambridge. Callum O'brien (lahir 4 November 1982 di New Zealand) ialah seorang pemain skuasy profesional Cambridge.