Arjan W. Kleij obtained his PhD from the Debye Institute of the University of Utrecht (NL) in 2000 with Gerard van Koten as advisor. He then had PD positions at the UAM in Madrid with Javier de Mendoza, and at the UVA in Amsterdam with Joost Reek. In 2006, he started his independent career at ICIQ (Tarragona, Spain), where he was promoted to ICREA professor in 2011. His interests are, inter alia, in the area of stereoselective synthesis using metal catalysis and the development of sustainable methods for the catalytic valorization of biocarbon sources such as carbon dioxide. Among various recognitions, he was awarded the 2025 GEQO Rafael Usón medal.