Prior to joining PLMR, Niamh volunteered as a researcher for a Member of Parliament in the House of Commons, before joining the British Council to work as a Policy and External Relations Intern. These placements saw her lead on a number of projects, including departmental research and the organisation of parliamentary events.

Niamh has also volunteered in Cambodia, working for local NGOs that support marginalised youth groups.

Niamh graduated from Queen Mary, University of London, with a First Class degree in Politics.