Dr.-Ing Quentin Dehaine is a Research Professor at the Geological Survey of Finland GTK, where he leads national and European research and innovation projects at the intersection of process mineralogy, mineral processing, geometallurgy and traceability. His work focuses on critical raw materials, including cobalt, lithium, nickel, graphite, and rare earth elements, with a strong emphasis on developing integrated approaches to support mine value chain optimisation, responsible sourcing, and resource efficiency.

Quentin's research centres on unlocking the full potential of complex polymetallic ores through geometallurgical characterisation, combining advanced mineralogical analysis with mineral processing experiments to bridge the gap between geology and metallurgical performance. He also explores the application of data-driven and machine learning approaches to predict mineral behaviour and optimise processing outcomes. Recently, his work has expanded into the traceability of battery minerals, developing isotopic and geochemical fingerprinting methods to improve transparency and responsible sourcing across the supply chain. Beyond primary resources, his research increasingly addresses the circular economy, encompassing the recovery of critical metals from secondary sources and mine waste.

Quentin holds a PhD in Mining and Mineral Engineering from the Université de Lorraine (France) and an engineer degree from the École Nationale Supérieure de Géologie (ENSG Nancy). Additionally, he is a member of the Scientific Committee for the French national research program PEPR "Sous-sol, bien commun" funded by France 2030, and serves as Officer for Scandinavia within the IUGS Initiative on Forensic Geology.