Brian O'Meara
- Foilsithe: 14 Aibreán 2023
- An t-eolas is déanaí: 20 Lúnasa 2024

As Head of the Department’s International Security and Defence Policy Branch, Brian has responsibility for:
• the ongoing assessment, formulation and development of Government policy on Ireland’s security and defence policy issues
• Ireland’s engagement in the EU’s Common Security and Defence Policy
• Ireland’s participation in Partnership for Peace and in Overseas missions
• Ireland’s engagement in the European Defence Agency and OSCE, and in general, Ireland’s international relations in the Defence arena