Robert Mackellar

Rob Mackellar


Rob Mackellar is well known in the industry for his strategic thinking, planning and design expertise. A Director at TTW, Rob leads the company with a passion for engineering excellence and a firm belief in collaborative partnerships with clients. For over three decades, Rob has been intricately involved in projects from concept phase to completion. His approach has seen him build a strong network within the construction industry both locally and nationally.

Rob has particular expertise in the field of health and research engineering, leading high profile and large-scale infrastructure developments. Recent notable projects include, Gosford Hospital, St Vincent’s Hospital, Lismore Hospital, Westmead Millenium Institute and the South Coast Health Network, including Shoalhaven Cancer Centre. His experience also extends to residential, public buildings, retail, façade and major transportation infrastructure such as Wynyard Walk.

  • Q&A
  • Most Notable Projects

As Director, what is your vision for TTW?

We want to provide an outstanding service and creative solutions. As we are employing some really clever people, we want to see them develop their design and communication skills to become leading engineerings.

What words of wisdom can you pass on to young engineers starting their career?

You need to do the hard yards as we all have done. Understand the basics and where possible think about what the answer should be before getting into detailed analysis.

In your perspective, how is the construction landscape changing?

Increase in prefabrication and off site construction, associated with a continuing development of BIM – providing a full package that integrates engineering design up front and facilitates management at the end of the project.

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