Previously, Marion was an American Association for the Advancement of Science (AAAS) Science & Technology Policy Fellow and Environmental Science Advisor at the US Agency for International Development in Washington DC and Lima, Peru. In Lima, she collaborated across sectors to better integrate science and the scientific community into programs and strategies for USAID’s Amazon conservation work in Peru, Brazil, and Amazon-wide.

Marion has a PhD in Conservation Ecology from Duke University and a Master of Arts in Ecology, Evolution and Conservation Biology from Columbia University. Her research has focused on interactions of fire and flooding with ecosystem dynamics and human interventions in tropical forests and on Amazonian white sand ecosystems. Her BA is in American Studies from the University of California at Santa Cruz.