Marie leads on the Open Government Partnership Openness in Natural Resources Working Group and contributes to the implementation of the Extractive Industries Transparency Initiative Standard in the Democratic Republic of Congo, Guinea and Mongolia. She provides technical assistance and capacity building on good governance mechanisms in the oil, gas and mining sector to government officials and civil society. She led the research process, coordinated data analysis and steered production of the 2013 Resource Governance Index, a measure of transparency and accountability in the extractive sectors of 58 countries.

Previously, she worked for two years as a consultant in London. Focusing on the natural resources sector, she advised donors and mining companies on issues related to conflict minerals, artisanal mining and mining regulations compliance, among other subjects. She has published articles related to these topics and has traveled extensively in Central Africa.

Marie holds a law degree from the University of Paris II and Oxford as well as an M. Sc. in public management and governance from the London School of Economics and Political Science.