Michelle O'Neill is an Irish politician who has served as First Minister of Northern Ireland since February 2024 and Vice President of Sinn Féin since 2018. She has also been the MLA for Mid Ulster in the Northern Ireland Assembly since 2007. O'Neill was previously deputy First Minister of Northern Ireland from 2020 to 2022.

The Northern Ireland Assembly, often referred to by the metonym Stormont, is the devolved legislature of Northern Ireland. It has power to legislate in a wide range of areas that are not explicitly reserved to the Parliament of the United Kingdom, and to appoint the Northern Ireland Executive. It sits at Parliament Buildings at Stormont in Belfast.