Deirdre O'Neill, Principal

Deirdre is a Principal at MI and a talented Project Director with a proven ability to deliver highly complex infrastructure projects. Deirdre is an accomplished team leader, with a core strength in leading high performing multi-discipline project teams.  


She has comprehensive project management skills including planning, procurement, budgeting, programming, risk management and cost control.  In addition to infrastructure planning and delivery, Deirdre has successfully delivered business cases, masterplans (up to $1bn), feasibility studies and operating models for complex infrastructure projects and precincts.   

Since joining MI in 2015, she has taken a leading role in the company’s management including both its strategic and annual business planning.   

Recently, Deirdre has been assisting Government define and deliver the redevelopment of the Sydney Football Stadium ($829m) since 2017. This role has progressed from assisting the Sydney Cricket and Sports Ground Trust (SCG) develop and assess options for redevelopment, to acting as Project Director at Infrastructure NSW for the Reference Design and Procurement Phase and then providing Project Director Services to the SCG, assisting them with the end-to-end development of the project.  

In addition to major stadia, Deirdre has also advised on smaller sporting venues including suburban stadia, community facilities, centres of excellence, member club facilities and other complementary facilities. In each case she ensures that venue owners maximise utilisation and the benefits derived from their assets.

Prior to joining MI, Deirdre worked in consulting engineering in both the UK and Australia. She is a highly experienced and qualified engineer with over 20 years’ experience leading multi-disciplinary teams on the delivery of high-profile projects. Her experience spans a range of sectors including Sports, Leisure, Retail, Transport, Arts & Culture and Commercial.