Roland Pierik is Professor of Philosophy of Law at the Faculty of Law, Maastricht University, the Netherlands. Pierik was a member of the Health Council of the Netherlands and served in the Health Council's permanent committee on vaccinations, as well as on its committee for COVID-19.

Marcel Verweij is Professor of Philosophical Ethics at Utrecht University. With Angus Dawson, he initiated the journal Public Health Ethics. He has fulfilled advisory roles for public health institutes such as the ECDC, the Health Council of the Netherlands, and the National Institute for Public Health and the Environment and has written discussion papers for the World Health Organization on the ethics of maternal immunization and on pandemic preparedness.