Gráinne O'Donnell

State Director

Victoria

Gráinne is a highly experienced quantity surveyor with over 25 years in the industry, both in Australia and internationally. She is recognised for her technical expertise and leadership on complex, large-scale building and infrastructure projects.

Since joining WT in 2017, Gráinne has played a key role in delivering cost management services across various sectors, with a particular focus on major public projects. She currently leads WT’s work on the Suburban Rail Loop, one of Victoria’s most transformative infrastructure programs, supporting the project from feasibility through to procurement. Her work includes option costing, business case estimating, gateway review preparation, and CAPEX/OPEX evaluation.

Gráinne’s broader portfolio at WT includes high-rise residential, student accommodation, hotel & entertainment, and public & civic sector projects. She is also a committed mentor, fostering a collaborative and supportive team culture.

Before joining WT, Gráinne worked in Ireland and Western Australia across a diverse range of projects, including healthcare and education facilities, residential developments, and major resource sector infrastructure.

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