L. David Mech (email@example.com) is a senior research scientist for the US Geological Survey and an adjunct professor at the University of Minnesota who conducted the first 3 years of the Isle Royale study. Shannon Barber-Meyer (firstname.lastname@example.org), a research wildlife biologist with the US Geological Survey, studies wolves and deer in Minnesota and helped reintroduce wolves into the southwestern United States. Juan Carlos Blanco (email@example.com) is a wolf-management biologist for Conservation Biology Consultants, in Madrid, Spain. Luigi Boitani (firstname.lastname@example.org), a professor at the University of Rome, studies wolves in Italy. Ludwig Carbyn (email@example.com) is a professor with the University of Alberta who has studied wolves and bison in Canada. Glenn DelGiudice (firstname.lastname@example.org) is a moose, wolf, and deer research scientist with the Minnesota Department of Natural Resources. Steven H. Fritts (email@example.com), a retired wildlife biologist with the US Fish and Wildlife Service, was a coleader of the Yellowstone wolf reintroduction. Djuro Huber (firstname.lastname@example.org) is a professor at the University of Zagreb who studies wolves in Croatia. Olof Liberg (email@example.com), a professor at the Swedish University of Agricultural Sciences, coordinates the Scandinavian Wolf Research Project. Brent Patterson (Brent.Patterson@Ontario.ca) is a research scientist who studies wolves, moose, and deer for the Ontario Ministry of Natural Resources and Forestry. Richard R. Thiel (firstname.lastname@example.org) studied the natural recovery of wolves in Wisconsin, retired from the Wisconsin Department of Natural Resources, and is a member of the Timber Wolf Information Network.