Anthony P. Clevenger is a wildlife research ecologist currently contracted by Parks Canada to study road effects on wildlife populations in the Banff- Bow Valley and the surrounding national and provincial parks. In that capacity, his research has focused primarily on the factors influencing mammal passage through drainage culverts and wildlife crossing structures, developing GIS-based modeling approaches to identify mitigation placement along roads, and investigating spatial patterns and factors influencing wildlife road mortality. He has worked as a wildlife biologist for the World Wide Fund for Nature–International (Gland, Switzerland), Ministry of Environment–France (Toulouse),U.S. Forest Service, and U.S. National Park Service. Dr. Clevenger is a graduate of the University of California, Berkeley, has a master’s degree in wildlife ecology from the University of Tennessee, and earned a doctoral degree in zoology from the University of León, Spain. He has been an adjunct assistant professor at the University of Tennessee since 1989 and at the University of Calgary since 1998.