Madeleine Pastinelli is a prominent professor at Laval University, specializing in Sociology. With over 25 years of research experience, she focuses on the evolving forms of social ties in the context of pluralistic Western societies and the individualization of social relationships. Her work examines individual experiences, interactions, and social dynamics across various online communities and platforms, exploring how digital social spaces shape normative plurality. She has developed a critical approach to online ethnography and emphasizes the methodological and ethical issues inherent in conducting research within digital environments. Beyond her academic roles, Pastinelli actively advocates for the fundamental mission of universities and the conditions necessary to uphold academic freedom and collegial governance. Her involvement in various organizations, such as the Quebec Federation of University Professors, highlights her commitment to the defense and promotion of the university's mission in society. She has published extensively on online communities, social media practices, and the ethical implications of digital research, contributing significantly to the field of Sociology.