Moy holds a bachelor of Pharmacy from Trinity College Dublin and a Masters of Pharmacy from Royal College of Surgeons in Ireland. She completed her pharmacy training in St. Vincent's University Hospital, Dublin. Moy also holds a Masters degree in Global Health from Trinity College Dublin where she researched 'Self-stigma in people living with HIV'. She was the recipient of the John Kevaney award for her academic studies in Global Health.
Before joining the Foundation, Moy worked as a pharmacist, gaining more than 10 years experience in hospital and community pharmacy.