Mr Cahill undertook fellowship training in ortho-plastic and complex trauma reconstruction in Queen Victoria Hospital, East Grinstead and Royal Sussex County Hospital, Brighton, United Kingdom.

• MB BAO BCh., University College Dublin
• MD, University College Dublin
• Irish Higher Speciality Training Scheme in plastic and reconstructive surgery
• FRCS (Plastics)

• Burns surgery and reconstruction
• Lower limb trauma and reconstruction
• Skin cancer surgery
• Hand surgery and hand trauma.

• Irish Association of Plastic Surgery
• British Association of Plastic, Reconstructive and Aesthetic Surgery