Matej Praprotnik is Head of the Laboratory for Molecular Modeling at the National Institute of Chemistry and Professor of Physics at the Faculty of Mathematics and Physics, University of Ljubljana. He is a former Chair of the PRACE Scientific Steering Committee and serves as a council member of CECAM. Matej is a recipient of the ERC Advanced Grant 2019 by the European Research Council and the project coordinator of MultiXscale, a EuroHPC JU CoE. His research is focused on computer simulation of soft and biological matter. The focus is on developing and combining innovative computational and theoretical methods augmented by machine learning techniques to study complex molecular systems.