Jeroen Mulder studied methods and statistics at Utrecht University. He started his PhD project on causality in developmental processes in May 2019. His project is part of the Consortium on Individual Development, an interdisciplinary and ongoing Gravity project that aims to understand and predict how the interplay of child characteristics and environmental factors results in individual differences in the development of social competence and behavioural control of the child. Jeroen has published a paper about extensions of the random intercept cross-lagged panel model (RI-CLPM), and created a supporting website with Mplus and lavaan codes, explanations, and FAQ. Jeroen is also one of the presentors of Wildgroei for Radio NPO2.