Andrew McCormack was born in Roehampton, United Kingdom in 1978. He began learning the piano at the age of thirteen and, at sixteen, commenced studies at Pimlico School, where he had jazz lessons with Andrea Vicari, in their specialist music department. In 1996 Andrew received a scholarship to study at the Guildhall School of Music and Drama, where he had both classical piano lessons, with Andrew Ball and Paul Roberts, as well as studying jazz piano with Simon Purcell.