Rossa Mulcahy

Lieutenant General Rossa Mulcahy is an Irish Army general and current Chief of Staff of the Irish Defence Forces since 1 June 2025.

Education Mulcahy holds a Bachelor of Commerce from the University of Galway, a Higher Diploma in Information Technology from Maynooth University, a Bachelor of Science in Management Information Systems from University College Dublin (UCD), a Master of Arts degree in Leadership, Management and Defence Studies from Maynooth University and a Professional Diploma in Strategy Development and Innovation from the Michael Smurfit Graduate Business School, UCD.

Mulcahy has held appointments in the Joint Command and Staff School and the Defence Forces Management Information Framework Section.

In October 2021, Mulcahy was promoted to Brigadier General and appointed Assistant Chief of Staff, responsible for organisation transformation, capability development, innovation, risk management, corporate governance, and industrial relations, doctrine and cultural transformation.

Overseas service Mulcahy has overseas service with three deployments to UNIFIL in Lebanon, two years deployment to Syria and Lebanon with UNTSO and a deployment as Irish National Senior and Deputy Key Leader Engagement (KLE) Branch at NATO's Resolute Support Mission, in Kabul, Afghanistan.