Gianluca Grimalda is an experimental economist interested in the psychological and cultural bases of human cooperation, particularly in an international context. He participated in the OECD-led Trustlab project, measuring trust in others and in governments internationally. He has directed experimental research in developing countries such as Colombia and Papua New Guinea. His research has been published in inter-disciplinary journals such as PNAS and Nature Communications. He has been a coordinating author in the International Panel on Social Progress, and taskforce chair on "Social cohesion and global inequality" in the Think20 network, providing policy advice to the G20.