
Andrew Marsonet
Andrew Marsonet is a project director for Acciona, overseeing the construction of the Western Harbour Tunnel in Sydney. He has extensive experience in tunnel construction, having previously worked on significant projects such as the Sydney Harbour Tunnel and the Airport Link. Recently, he was in the news for his role in managing the tunnelling operations beneath Sydney Harbour, particularly as the team navigates the complex geological conditions of the paleo channel.
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Andrew Marsonet is the project director for Acciona, overseeing the tunnelling operations.
Inside Barangaroo, the machine tunnelling for new roads under Sydney HarbourThe Sydney Morning Herald·
Australia· 2026-08-10


