Mr Per Hall has been a consultant plastic surgeon in Cambridge since 1995. He has been a pioneer in the early detection of skin cancer using computer imaging for over 20 years. Mr Hall and his team have had a major input in the development of SIAscopy, producing the most clinical papers on the subject. He continues to collaborate in studies aiming to help identify suspicious skin lesions at the earliest opportunity and continues to work with computer scientists on ways to improve diagnosis including the use of artificial intelligence. Mr Hall is also committed to the reconstructive surgical needs of children in developing countries and regularly trains surgeons in cleft lip and palate surgery in Ethiopia to facilitate this. Mr Hall oversees the SkinCheck service.