Dr McKenna is a Consultant Dermatologist experienced in the diagnosis and care of all aspects of skin problems. He has particular expertise in the early diagnosis and the surgical management of skin cancers. He believes in taking the time to listen to his patients, fully explaining the diagnosis and all appropriate treatment options. Dr McKenna graduated from Glasgow University. He completed his specialist dermatology training in Belfast. He then went on to train in additional advanced dermatological surgery, lasers, and Mohs micrographic surgery for complex skin cancers in St Thomas' Hospital, London. He is one of only a few consultants in the UK that have completed a Mohs Micrographic Surgery training fellowship in addition to their general dermatology training. Dr Mckenna is a member of the British Association of Dermatologists, American Society for Dermatological Surgery, British Society for Dermatological Surgery, Irish Association of Dermatologists, International Dermoscopy Society, Royal College of Physicians.