David Lloyd is Emeritus Professor of Veterinary Dermatology in the Department of Clinical Sciences and Services at the Royal Veterinary College (University of London), England and is a European Specialist in Veterinary Dermatology. His interests are focussed on the biology of the skin surface, cutaneous infection and immunity, antimicrobial resistance, hygiene and disinfection, and antimicrobial stewardship. He has special interests in staphylococci and yeasts of the genus Malassezia.