Romuald is an Associate Professor at the University of Oxford and Tutor Fellow (Official Student) at Christ Church. His research focuses on the interaction between subjective expectations and investment in human capital, on the identification of counterfactual outcomes, and on the migration of the skilled labour force. He held a Post-Doctoral researcher position at the Ifo Institute, then at the Max-Planck Institute for Social law and Social Policy in Munich, where he headed the Migration Unit for two years. He holds a PhD in Economics from the University of Montréal.