Dr. Robert Sarkany is Consultant Dermatologist and senior Photodermatology Consultant at St Johns Institute of Dermatology at Guys and St Thomas Hospital , London. He is an experienced Dermatologist for skin diseases of all types in children and adults. He specialises in skin rashes, skin cancer, sun sensitivity and ultraviolet light therapy. Dr Sarkany graduated from the University of London with a bachelors degree, a Bachelor of Medicine, Bachelor of Surgery and a Doctorate. He was made a Fellow of the Royal College of Physicians in 2003. He was previously Consultant Dermatologist at Mayday Hospital and then at St Georges Hospital and Medical School before taking up his current post. He led the Photodermatology Unit at St Johns Institute of Dermatology from 2006-2023,  one of the leading centres in the world for the treatment of skin diseases and of research into them, and is currently the senior Consultant in the Unit. He established the National Xeroderma Pigmentosum Centre there in 2010, the largest such centre in the world, and was one of the founders of the Rare Disease Centre at St Thomas Hospital. He is actively involved in research on sunlight sensitivity, sun allergy, and ultraviolet light therapy and frequently lectures internationally on these. He has published his Dermatology research widely. He is a previous associate editor on the Rooks Textbook of Dermatology, Editorial Board Member of the Photodermatology Photoimmunology Photomedicine Journal, current President of the European Xeroderma Pigmentosum Society, previous co-Chair of the Britain and Ireland Porphyria Network, and previous Chair of the British Photodermatology Group. Diseases, Medical Tests and Treatments All types of rashes Skin lesions Skin cancers Moles Hair and nail problems Children and adults skin problems Photosensitivity Phototherapy Cutaneous porphyrias