Dr. Troy McMullin is a Research Scientist and the Head of Botany at the Canadian Museum of Nature in Ottawa, Ontario. His research program is focused on the biodiversity and conservation of Canadian lichens. Troy has published extensively on many aspects of lichenology in scientific literature and public media, including his recent book The Secret World of Lichens and his new book coming out next month, The Macrolichens of Ontario and the Great Lakes Region of the United States. He also recently published the results of a lichen survey of the Greater Toronto Area.