Gerard is Professor of Health Econometrics at the Faculty of Economics. He is well-known for his research on the long-run effects of conditions very early in life (economic condition, nutrition, stress exposure, etc.) on cognition, health and economic productivity later in life. He previously worked as a professor at the VU University Amsterdam, The University of Mannheim and the University of Bristol. In 2009, he was awarded the Alexander von Humboldt Professorship Prize.