Marcin Sadowski obtained a PhD in physics from the University of Warsaw in 1994 and later worked on investigating the optical properties of semiconducting structures and materials at the University of Warsaw, the University of Montpellier, and the High Magnetic Field Laboratory in Grenoble. In 2007 he moved to the European Commission in Brussels. For several years, he was a Research Programme Officer at the Directorate General for Research of the European Commission, responsible for research on advanced materials for electronics and photonics. Since 2014, he is the Head of the Raw Materials sector at the Executive Agency for Small and Medium-Sized Enterprises (EASME) of the European Commission, responsible for the research and innovation projects of Horizon 2020 concerned with Raw Materials.