John Altringham is Professor of Animal Ecology & Conservation at the University of Leeds. He works primarily on the ecology and conservation of bats, but has broad interests in conservation. In the past he has studied animals as diverse as tunas and tarantulas. He is the author of numerous scientific papers and reports, and three books on bats, the most recent being Bats, from evolution to conservation, published by OUP in 2011. He is a scientific advisor to the National Trust and other conservation organisations.