Dr Telfer qualified from the University of Manchester in 1981 and thereafter completed his training in general dermatology at Oxford and Manchester.
He undertook fellowship training in Mohs Micrographic Surgery at the University of California, Los Angeles, USA and is now a Fellow of the American College of Mohs Surgery (ACMS), which is the leading professional Mohs surgery association in the world.
He has been a consultant since 1994 and has performed over 20,000 Mohs cases, making him the most experienced Mohs surgeon in the United Kingdom.
He is a Senior NHS hospital consultant, engaged in education and training of Mohs / dermatological surgery on their teaching program. He is the lead author on the national guidelines for the management of basal cell carcinoma.
He specialises in skin cancer, micrographic surgery and basal cell carcinoma. He does not see general dermatology patients.