Dr Seaton studied Medical Sciences at the University of Cambridge and Clinical Medicine at the University of Oxford. He trained as a dermatologist in London at Imperial College and University College Hospitals. He completed a DM degree (similar to a PhD) at Imperial College, London. He is an Honorary Consultant Dermatologist at Royal Free London and was clinical lead of the dermatology department there for seven years.

He is a Fellow of the Royal College of Physicians, and a Member of the British Association of Dermatologists and the British Society of Dermatological Surgery.

Dr Seaton undertakes dermatology clinics for all conditions, but has a particular interest in the treatment of acne, rosacea, skin cancer and skin surgery and has been invited to speak about these conditions at national and international dermatologist meetings.

Dr Seaton is one of the few dermatologists in the UK trained in Mohs Surgery, a dermatologist provided, scar-minimising surgical technique for basal cell carcinoma, the commonest type of skin cancer, which has the highest cure rate of any treatment.