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Leanne Roulson
NEPA Specialist
Billings Office


Leanne Roulson is a National Environmental Policy Act (NEPA) specialist. Ms. Roulson has over 10 years experience in environmental consulting with an emphasis on environmental policy evaluation and review in the state of Montana and across the western US. She has assessed potential impacts and designed effective mitigation for mining, forestry, hydropower, water use, and public land exchanges and sales. Leanne earned her bachelor's degree in 1988 from the University of Oregon, Eugene in biology with an emphasis on population biology, botany, and ecology. She earned her master's degree from Montana State University, Bozeman in fish and wildlife management in 1998. Ms. Roulson’s resource area specialty is in fisheries and aquatics, and she has served as president for the Western Division of the American Fisheries Society (AFS) and the Montana Chapter AFS. She has managed projects and provided technical expertise on in-stream flow management, non-point source identification and assessment, total maximum daily loads (TMDL), wetland delineation, and riparian restoration. She has provided expert testimony on the impacts of hydropower on subsistence fisheries associated with Native American tribes.