Professor Jonathan Barker is a Consultant Dermatologist and Professor of Medical Dermatology. He runs a tertiary referral service for patients with psoriasis, which won the BMJ Dermatology team of the year award in 2016. He is on several national and international boards, including the European Academy of Dermatology and Venereology and the International Psoriasis Council. His main research interests are inflammatory skin diseases, such as atopic dermatitis and acne vulgaris, but primarily psoriasis. His interests extend from genetic discovery through pharmacogenetics and disease mechanisms, such as immunology, to clinical research. He has been involved in clinical guideline development for psoriasis in the UK and has published widely on the subject, including authoring two books. His expertise includes psoriasis.