Stefan is Professor of Inclusive and Sustainable Wellbeing and Pensions at Nyenrode Business University, and External Advisor to the Investment Committee of PFZW, one of the largest pension funds in the Netherlands. His career spans academia, international policy, and financial practice: he has held positions at the OECD, the World Bank, and CPB Netherlands Bureau for Economic Policy Analysis, conducted postdoctoral research at the University of Oxford, and was a visiting scholar at Harvard University.