Mark O'Leary is a senior ecologist and conservation planner with extensive experience spanning over 25 years in ecological consulting. Mark has held leadership positions, including serving as the Ecological Restoration National Director at CIS since 2024 and previously as Client Solutions Manager at Resource Environmental Solutions LLC from 2021 to 2024. Mark's background encompasses conservation and watershed planning, ecological system design and restoration, and green infrastructure planning. Mark earned a Master of Science in Wetland and Wildlife Ecology from Southern Illinois University, Carbondale, and a Bachelor of Arts in English from Miami University.
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