Sinéad obtained her Bachelor of Civil Law with a minor in social justice from University College Dublin (2020). After her studies, she interned at an independent housing law and policy centre, as well as a private law firm in Dublin. Sinéad graduated from the European Law LL.M. at Leiden University in 2022. Her thesis examined the exercise of executive power at the European level, comparing the initial Eurocrisis and Covid-19 economic crisis responses.