Gregory W Thiemann is an Associate Professor in the Faculty of Environmental and Urban Change at York University, where he also serves as the Program Coordinator for Sustainable Environmental Management. He holds a PhD and MSc from Dalhousie University and a BSc (Honours) from McMaster University. His research is deeply rooted in Arctic ecosystems, focusing on the foraging ecology, conservation, and physiological responses of top predators such as polar bears and ringed seals. PhD, Dalhousie University MSc, Dalhousie University BSc (Honours), McMaster University His research interests lie at the intersection of ecology, physiology, and climate change. Thiemann investigates how Arctic carnivores adapt their foraging strategies in response to environmental shifts, particularly sea ice loss. He uses biochemical tracers—including stable isotopes and fatty acids—and satellite telemetry to analyze diet, movement, and body condition. His work emphasizes collaboration with northern Indigenous communities, government agencies, and conservation organizations to ensure that research supports both wildlife and human populations in the Arctic. The recent publications of Gregory W Thiemann reflect a consistent and impactful research trajectory centered on polar bear and seal ecology. The articles span disciplines such as conservation physiology, food web dynamics, climate change impacts, and methodological innovation in wildlife monitoring. Key themes include dietary flexibility in apex predators, the use of non-invasive tracking technologies, and the integration of biochemical and spatial data to assess ecosystem health. These works are published in leading journals like Global Change Biology , Conservation Physiology , and Polar Biology , highlighting the interdisciplinary and applied nature of his research. Dr. Thiemann has received research funding and support from several prestigious organizations, including NSERC, WWF-Canada, the Ontario Ministry of Natural Resources and Forestry (MNDMNRF), the Government of Nunavut, and the Toronto Zoo. These partnerships enable long-term monitoring and community-based research across the Canadian Arctic. NSERC (Natural Sciences and Engineering Research Council) WWF-Canada Ontario MNDMNRF Government of Nunavut Toronto Zoo Earth Rangers His research projects include long-term studies on polar bear denning, foraging behavior, human-polar bear conflict, and community-based monitoring of marine mammals. These initiatives often operate in collaboration with Indigenous communities, ensuring local knowledge informs scientific inquiry and conservation planning.