Phil Sterling began his interest in moths before starting school. Today he concentrates on elucidating life histories of lesser known moth species, and on promoting his passion for wildlife to a wide audience through publication of books, papers and public speaking. He holds the degree of MA (Oxon) in Zoology and his DPhil (Oxon) was on the ecology and biological control of the Brown-tail Moth. He is a Fellow of the Royal Entomological Society, and a member of the British Entomological and Natural History Society and British Ecological Society. He has been in nature conservation research and practice for 35 years and is currently at Butterfly Conservation where works on a UK-wide project to improve habitat for wildlife in the built environment.