Aoife Brennan

Aoife Brennan was appointed Chief Executive Officer of Lisney in March 2026, leading the independently owned Irish property advisory firm as it enters its next phase of strategic growth and innovation. She succeeds David Byrne, who led the business for six years.

Brennan joined Lisney in 2006 and has worked within the research, investment, land and valuation divisions during her tenure. For the past 18 years, she has led Lisney's Research & Consultancy division, a data driven function that supports internal teams as well as a wide range of institutional, private and public sector clients. She has been a director of Lisney since 2016.

Brennan holds an MSc in Planning & Development and a BSc in Property Economics from Technological University Dublin. She is a Fellow of both the Society of Chartered Surveyors Ireland and the Royal Institution of Chartered Surveyors. She won the SCSI's Elevate Award for Championing Women in Surveying. She also completed a Diploma in Strategy & Innovation with the Irish Management Institute and a Diploma in Official Statistics for Policy Evaluation with University College Dublin. Between 2004 and 2012, she lectured in valuation on the SCSI / TUD part-time honours degree programme in Property Studies and the higher certificate course.

Career History

• Surveyor at JLL (2003–2006)
• Chartered Surveyor, then Head of Research at Lisney Ireland (2006–present, with Head of Research role from 2008–2012)
• Senior Director of Research & Consultancy, Lisney (2012–2026)
• Director, Lisney (2016–present)
• Chief Executive Officer, Lisney (March 2026–present)

What Aoife Brennan could bring to CEO at Lisney: With two decades of deep experience across Lisney's research, investment, land and valuation divisions, Brennan brings comprehensive knowledge of both commercial and residential property markets. Her proven track record in leading data-driven advisory services, combined with her championed focus on developing future leaders and her professional standing as a Fellow of both SCSI and RICS, positions her to strengthen Lisney's position as a client-centered, data-driven property advisor during a period of significant market change.