Tom Fletcher PhD is a vertebrate palaeontologist and wildlife expert, specialising in sharks and fossil fishes. He completed his masters at the University of Bristol, and his PhD at the University of Leeds, where he developed a love for teaching. As an academic he has published a variety of scientific papers, and continues to collaborate internationally as an Honorary Research Fellow of Palaeobiology at the University of Leicester. Tom now works at Silverback Films as a scientific adviser for a number of big-budget natural history series. He lives in the world-renowned 'Green Hollywood' of Bristol, UK with his partner and pets, amongst a jungle of plants, fossils, and books.