Michael O'Brien

Managing Director

Michael has been the Managing Director of Christie Civil since its inception. Michael graduated from the University of NSW with a degree in Civil Engineering in 1974.
At just 26 years of age, Michael was appointed State Manager of Christie Civil. Since then he has masterminded Christie Civil’s current position as one of Sydney’s most respected civil contractors.

Martin Carey

Construction Manager

Since completing his degree at the University of NSW in 1980, Martin has worked in mines, roads, water and wastewater treatment works, excavation and general civil engineering works progressing from site engineer to manager of his division.
Martin has developed his expertise in all types of Civil Engineering construction during his fifteen years with Christie Civil. Martin has also been closely involved in the development of the company management systems.

Colin Cartwright

Engineering & Estimating Manager

Colin has been with Christie Civil since 2004. Colin began his career after completing a Civil Engineering degree at UTS.
After working in design and construction of civil works, both here in Australia and overseas, Colin joined Christie Civil where he now heads the tendering department. Colin’s experience allows him to offer sound technical advice on a range of engineering and construction planning issues.

Will Watts

Senior Project Manager

Will began with Christie Civil in 2003 as an intern Site Engineer. He continued working while completing his Degree in Civil Engineering at UTS and graduated in 2006. Will then took a break from Christies and spent a few years working for Tier 1 contractors on large civil infrastructure projects. Upon returning to Sydney, Will re-joined Christie Civil as a Project Manager.

Will has experience working on many major projects including roadworks, rail, bridges, civil structures and bulk excavations. Will is able to use his experience and detailed understanding of construction methodologies to effectively plan and execute complex projects.


Marc Colusso

Project Manager

Marc joined Christie Civil as a Site Engineer in 2011 and quickly established himself as a high performer. Marc was promoted to Project Manager in 2016 and has demonstrated his capabilities in running an efficient team to produce high quality work on a number of projects including subdivisions, roadworks, earthworks and service relocations.