Brett Magnussen

National Director Project Management


Brett has 25 years’ experience delivering projects in the property, building and construction industry in Australia and Asia, with a particular focus on community and social infrastructure projects specialising in health care and education.

Brett joined Ranbury in 2005 and was appointed Managing Director  in 2013. Brett became National Director of Project Management of the combined RP Infrastructure – Ranbury business in 2023 following the merger of the two businesses.

Brett’s Project Director roles include leadership of the development of the business case to relocate Queensland Rail’s head office. Broad consultation resulted in an expanded project brief, ultimately delivering the Bowen Hills precinct master plan which was incorporated into the State Government’s Development Scheme.

While working for the Queensland Government, Brett led the delivery of agency capital works programs including the Department of Education and Training and the Department of Emergency Services. This included his role as Program Director for the Preparatory Year of Schooling program, which delivered new facilities at 470 public schools across Queensland. As Project Manager, Brett delivered a range of community facilities including the 500-bed Maryborough Correctional Centre, the Moore Park State School (the first public sector comparator for future schools’ PPP delivery), and a number of primary and community health centres across Cape York and the Torres Strait.

As Contracts Advisor for building contractor PT PP (Persero) in Indonesia, Brett was part of the leadership team on a number of internationally funded projects including the World Trade Centre 2 commercial office tower in Jakarta and the Pejaten Shopping Mall in South Jakarta.

Brett has led Ranbury’s growth into hospital redevelopment projects, including delivering a number of major projects across Queensland in Caloundra, Nambour, Mackay, Rockhampton and Cairns.

Brett started out as a Quantity Surveyor. He went on to manage Department of Public Works’ offices around Queensland before joining Persero in Indonesia. He then returned to Brisbane and the Department of Public Works in 1997.

Brett is a graduate of the Queensland University of Technology.

Contact Brett Magnussen

T: 07 3211 2300    M: 0412 187 915

Contact Brett Magnussen