Sinead O’Sullivan
Sinead O’Sullivan is the director of Matt O’Sullivan Auctioneers, where she focuses on the Connemara region's coastal real estate market. With 80% of her listings being coastal properties, Sinead highlights the increasing value of homes located on or near the water, which can command a price uplift of up to 10%. Her expertise underscores the demand for scenic, waterfront living as buyers seek both tranquility and access to nature.
Not in the pool (under ¢1).
Recent news mentions
Sinéad O’Sullivan is a business economist, formerly at Harvard Business School where she served as the head of strategy of the HBS Institute for Strategy.
If Ireland can build a sewerage plant this beautiful, why allow such ugly data centres? – The Irish Times
Ireland· 2026-02-28Sinéad O’Sullivan is a business economist, formerly at Harvard Business School, where she served as head of strategy of the HBS Institute for Strategy.
Ireland’s debate about e-scooters and scramblers is unmoored from reality – The Irish TimesIreland· 2026-02-01
Sinéad O’Sullivan is a business economist, formerly at Harvard Business School where she served as head of strategy.
channel Michael O’Leary – The Irish TimesIreland· 2026-01-27
Sinéad O’Sullivan is a business economist, formerly at Harvard Business School where she served as head of strategy of the HBS Institute for Strategy.
PR campaigns are not enough to stop people dying on our roads. Here is what we need to do – The Irish TimesIreland· 2025-12-04Sinéad O’Sullivan stated that communities and politicians vote to oppose density or take judicial reviews against new developments.
Judicial reviews are not the problem – and deregulation is no answer – The Irish TimesIreland· 2025-11-27
Sinéad O’Sullivan argued that Ireland's blockage is psychological rather than procedural.
John Collison’s intervention – The Irish TimesIreland· 2025-11-02
Sinéad O’Sullivan formerly led the Institute for Strategy and Competitiveness at Harvard Business School.
Trump’s $100,000 visa fee is a serious blow to Ireland – The Irish TimesIreland· 2025-09-24
Sinead O’Sullivan, director of Matt O’Sullivan Auctioneers, notes that properties on the water can expect a price lift.
‘Buyers like the idea of slowing down. It’s the combination of green and blue for wellness and lifestyle’ – The Irish TimesIreland· 2025-06-15
