Mairead McGuinness is an Irish politician serving as the European Commissioner for Financial Stability, Financial Services and the Capital Markets Union since October 2020. A member of Fine Gael, she previously served as First Vice-President of the European Parliament from 2017 to 2020. She served as a Member of the European Parliament (MEP) for East from 2004 to 2014 and for Midlands–North-West from 2014 to 2020, making her Ireland's longest serving MEP. In the European Parliament, she sat with the European People's Party (EPP).

Fine Gael is a liberal-conservative and Christian-democratic political party in Ireland. Fine Gael is currently the third-largest party in the Republic of Ireland in terms of members of Dáil Éireann and largest in terms of Irish members of the European Parliament. The party had a membership of 25,000 in 2021. Simon Harris succeeded Leo Varadkar as party leader on 24 March 2024.