Sophie obtained her bachelor's degree at Utrecht Law College. In 2019 and 2020 she received her master's degrees from Tilburg University and the University of Amsterdam. In the course of her bachelor's education, Sophie studied law at the University of Sheffield as well as English Language and Culture at the University of Utrecht (2014-2015).

During her studies, Sophie worked as a clerk for the Supervisory Commission of the Custodial Institution Schiphol and worked as an intern at Prakken d'Oliveira Human Rights Lawyers.