Evolutionary biologist, science writer and host to 100 trillion microbes.
Alanna Collen is a science writer with degrees in biology from Imperial College London, and a PhD in evolutionary biology from University College London and the Zoological Society of London. She is a well-travelled zoologist, an expert in bat echolocation, and an accidental collector of tropical diseases.
During her scientific career, Alanna has written for the Sunday Times Magazine, as well as about wildlife for ARKive.org. She has appeared on numerous radio and television programmes, including BBC Radio 4's Tribes of Science and Saturday Live, and BBC One's adventure-wildlife show Lost Land of the Volcano. She lives in Bedfordshire with her husband.