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Laura Pasqua Leone is a Research Assistant at Dondena Centre for Research on Social Dynamics and Public Policy. Her work focuses on the phenomenon of vaccine hesitancy, especially in relation to the COVID-19 vaccines. She investigates the socio-demographic and behavioural determinants of resistance to immunisation, and how they vary between different countries and populations. She holds a MSc in Economics and Social Sciences from Bocconi University.

Duilio Balsamo is a Postdoctoral Researcher at Bocconi University. His research focuses on Computational Social Science, i.e., understanding individual and collective behaviour using techniques such as Machine Learning, Network Science, and Natural Language Processing on digital data and social media. During his PhD in Modeling and Data Science, he worked on addressing several aspects of the Opioid Epidemic in the US, such as Public Health Monitoring, Pharmacovigilance and Rehabilitation, leveraging Reddit data. He now works on using digital data to understand the behavioural determinants of vaccine uptake/hesitancy and to inform epidemiological models.

Lorenzo Lucchini is a post-Doctoral research fellow at Bocconi University, a research fellow at the Center for Health Emergencies (Bruno Kessler Foundation), and a data science research consultant at the World Bank. His research focuses on statistical characterization and mathematical modelling of coordination and collective behaviour dynamics leveraging novel big data streams from social media and mobile phones. His topics of interest range from vaccine hesitancy and information diffusion to conventions and norms formation. He holds a PhD in computer science (complex systems, networks and computational social science) and a MSc in theoretical physics.

Vittoria Offeddu is a postdoctoral Research Fellow at the Bocconi Covid Crisis Lab and Dondena Centre for Research on Social Dynamics and Public Policy. She is an infectious disease epidemiologist focused on pathogen surveillance, One Health, and behavioural epidemiology within the field of vaccine-preventable diseases. She worked on sero-epidemiological surveillance projects aimed to quantify the circulation of respiratory pathogens in the community and assess the impact of animal infections on human health. She was previously appointed as a Senior Research Fellow at National University of Singapore, where she specialized in the design and execution of mixed-methods studies investigating  the social determinants of vaccine uptake in high-risk groups. She obtained her PhD at the Max Planck Institute for Infection Biology Berlin.

Maria Sironi is an Associate Professor in Quantitative Sociology at University College London (Social Research Institute). She is family demographer who is interested life course analysis and how different living arrangements, union and fertility trajectories are associated with physical and mental health outcomes later in life. Maria is currently working on the links between couples’ living arrangements and mental health during COVID-19.

Before joining UCL in June 2015, Maria was a Postdoctoral Research Fellow in the Department of Sociology at Oxford University and Nuffield College. She completed he PhD in Demography in 2013 at University of Pennsylvania.