Brian Cahill

Senior Staff Officer - Change Management & Support @ Irish Defence Forces | Change Management, Management Professional

Dublin, County Dublin, Ireland

About

As a Senior Staff Officer in the Office of Strategic Transformation of the Irish Defence Forces, I contribute to advancing organisational change and operational improvement. With expertise in change management, crisis management, and operational planning, my work focuses on enhancing the effectiveness of critical initiatives to align with the organisation’s strategic goals. Over the course of more than two decades in leadership roles, I have supported complex missions to drive impactful change. My commitment to fostering adaptability and resilience within teams has been a cornerstone of my career, complemented by a strong foundation in security management and leadership, underpinned by advanced studies in intelligence, security, and organisational transformation.

Experience

  • Senior staff officer - Change Management & Support. Office of Stategic Transformation at Irish Defence Forces
    Jul 2025 - Present · 1 yr

  • Chief Operations Officer at United Nations
    Nov 2024 - May 2025 · 7 mos

  • Command and Staff School Instructor at Irish Defence Forces
    May 2024 - Nov 2024 · 7 mos

    Instructor, Command and Staff School

  • Chief Instructor UN Training School Ireland (UNTSI) at Irish Defence Forces
    Aug 2022 - Jun 2023 · 11 mos

    Chief Instruction in the United Nations Training School Ireland (UNTSI)

  • Senior Staff Officer for Media and PR - United Nations Disengagement Observer Force (UNDOF) at United Nations
    Jul 2021 - Aug 2022 · 1 yr 2 mos