Sharon was born in St. Columb, educated locally and then at the Welsh College of Agriculture in Aberystwyth. Following time as a member of St. Columb Young Farmers Club, she became Chair of the Cornwall Federation of Young Farmers Clubs in 1988. She ran a large dairy and beef farm at Milton Abbot with her late husband, and then in her own right until 2011. Sharon now runs a horse breeding, livery and schooling establishment near Launceston with her daughter Georgina.
Sharon was appointed to the Duchy Council in April 1997 and became Chair in 2005. She has a particular interest in all aspects of the land based sector, and is Chair of the Rural Economy Cluster Advisory Board. Sharon was appointed to the Board in 2005 and she is also a member of the Delivery and Development Committee.