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Warren and Mahoney bolsters Sydney studio leadership team 

March 20, 2025
Warren and Mahoney is pleased to announce the appointment of Gary Henighen as Principal within our Sydney studio.  

This strategic appointment bolsters the Australian leadership team and further enhances the firm’s ability to serve clients with world-class design outcomes. 

With over 20 years’ experience in both Australia and the UK, Gary brings a wealth of experience in delivering landmark residential, mixed-use developments, transit-oriented precincts, towers and urban renewal projects. His impressive track record includes overseeing the design and delivery of award-winning projects such as the iconic 80-storey mixed-use tower on George Street, Sydney, the large-scale urban renewal project at Waterloo Estate South, and DUO Central Park. 

“Gary is a highly respected and accomplished leader, known for his strategic vision and commitment to client success,” says Managing Director, John Coop.

“His depth of experience on complex, high-profile projects, coupled with his collaborative approach will be invaluable in enhancing the strength of our Sydney studio and enabling us to continue to deliver exceptional outcomes .” 

Gary’s leadership extends beyond design. His strategic acumen and client relationship management experience, make him a key asset in shaping the future growth of Warren and Mahoney.  

“I am thrilled to join the team at WAM, a firm that shares my commitment to design excellence, and social and environmental stewardship,” says Gary.  

“I look forward to contributing to the continued success of the Sydney studio and working alongside a talented team to create outstanding design outcomes for our clients.” 

Gary joins Warren and Mahoney from Architectus, where he was Principal.