Patrice Christmann is a self-employed researcher and teacher, retired from BRGM, the French Geological Survey which he served for 40 years, including the management of its Mineral Resources Department and of its minerals and metals related research activities. He participates to several mineral raw materials and circular economy related EU and French advisory groups. His fields of expertise are mineral raw materials geology, economics, intelligence, policies and sustainable governance as well as, more generally the sustainable management of natural resources. He was a member of the UNEP International Resource Panel from 2011 to 2020, and co-authored the 2020 report “Mineral Resources Governance in the 21st Century: Gearing Extractive Industries towards Sustainable Development.”. He teaches at EPF, a French Engineering School.