Mr Hill is on the General Medical Council (GMC) Specialist Register for Plastic Surgery. He is a Fellow of the Royal College of Physicians and Surgeons of Glasgow (RCPSG); and a member of:-
- The British Medical Association (BMA)
- The British Association of Plastic, Reconstructive and Aesthetic Surgeons (BAPRAS)
- The British Association of Aesthetic Plastic Surgeons (BAAPS)
- The Craniofacial Society of Great Britain and Ireland.
Within the NHS he is based primarily at the Royal Belfast Hospital for Sick Children, where he specialises in cleft lip and palate repair for N.Ireland. He is also jointly responsible for all other aspects of general plastic surgery and skin cancer surgery at the Ulster Hospital and the Royal Victoria Hospital, Belfast.
Mr Hill currently serves on the Council of The British Association of Plastic, Reconstructive and Aesthetic Surgeons on behalf of N.Ireland.
Aside from these commitments Mr Hill has strong connections with registered charity, OPSA, The Overseas Plastic Surgery Appeal. He travels to Pakistan each year to provide free plastic surgery for under-privileged children and young adults living with cleft lip and palate abnormalities.