WCS Canada

Our Staff

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Justina Ray
President & Senior Scientist
Dr. Justina Ray has been President and Senior Scientist of Wildlife Conservation Society Canada since its incorporation in 2004. In addition to overseeing the operations of WCS Canada, Justina is involved in research and policy activities associated with land use planning and large mammal conservation in northern landscapes. Having worked for years in African and Asian tropical forests, North America has been her predominant geographic focus over the past two decades. Justina has been appointed to numerous government advisory panels related to policy development for species at risk and land use planning in Ontario and Canada. She was the co-chair of the Terrestrial Mammals Subcommittee of the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) from 2009-2017 and is currently a member of the IUCN Taskforce on Biodiversity and Protected Areas. She has been editor or author of 3 books and numerous peer-reviewed articles, and is Adjunct Professor at the University of Toronto (Faculty of Forestry) and Trent University (Biology Department) and Research Associate at the Center for Biodiversity and Conservation Biology at the Royal Ontario Museum.
Donald Reid
Conservation Zoologist
Don Reid leads our Northern Boreal Mountains landscape program in northwest Canada, having helped establish Wildlife Conservation Society Canada by opening our Whitehorse office in 2004. He coordinates a team of biologists who are pursuing new protected areas through land use planning, improved land and wildlife habitat management policies, collaborations with indigenous governments on mutual conservation interests, and research on focal conservation issues including climate overheating and new road developments. His own field research involves river otters as indicators of aquatic ecosystem health, beavers as agents of change in riparian ecosystems, and spatial scale of forest disturbance as an influence on food webs where snowshoe hares are the dominant trophic species. Don has spent 40 years working as a wildlife biologist in academic, government, and non-government sectors, with an MSc (University of Calgary) and PhD (University of British Columbia). His experiences include Arctic trophic ecology (terrestrial food webs, seabird reproduction), boreal aquatic ecosystems (otter and beaver ecology), trophic ecology of temperate montane forests (eastern Himalaya), integrating wildlife in boreal forest management (numerous species), integrating wildlife conservation in land use planning (coastal rain forests, taiga cordillera, boreal cordillera), and protected areas management (British Columbia, Yukon, China).
Research Gate
John Weaver
Senior Conservation Scientist
John Weaver is a carnivore conservation biologist for WCS based in Missoula, Montana with field programs in the western United States and Canada that are focused on large landscape conservation, wildlife connectivity and adaptation to climate change. Over the past 25 years, John has played many key roles in large carnivore conservation in the United States and Canada. His dissertation research was on the ecology of wolf predation in the high-diversity ungulate environment of Jasper National Park, Alberta. John has held leadership positions with the U.S. Forest Service and U.S. Fish & Wildlife Service on endangered species and has served on several recovery teams, including for both wolves and grizzly bears. Over the years, he has perfected hair snaring techniques for lynx and bear surveys and invented a lynx lure that is now widely used. He has authored more than 20 scientific publications and served as a reviewer for five scientific journals. John has an academic appointment at the University of Montana. He is particularly interested in conservation strategies that address the resiliency mechanisms of vulnerable species.

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