Samuel Plach is a doctoral student in Social and Political Science at Bocconi University and a research assistant at the Dondena Centre for Research on Social Dynamics and Public Policy, Bocconi University. He holds a MSc in Economics and Social Sciences from Bocconi University. His research focuses on Social and Institutional Demography, Social Networks, and Social and Economic Mobility. Among other projects, he investigated how the COVID-19 pandemic and connected policy interventions affected fertility rates, and how they did so differently across countries, depending on pre-pandemic welfare support. He also assessed the pandemics consequences for mental well-being. Recently, he also works on topics related to Social Network Analysis and Social and Economic Mobility. He published in leading journals including Science, PNAS, and PDR.