By Simon Thomsen
Publication Date: 2025-11-14 00:54:00
After setting out to build an AI data center in Tasmania, Singapore-based Firmus announced a $73.3 billion plan – Project Southgate – with AI infrastructure also in Melbourne, Canberra, Sydney and Perth.
Founded in 2019 by Oliver Curtis, Tim Rosenfield and Jonathan Levee, Firmus initially focused on Bitcoin mining.
The company turned to what it calls “green AI factories” with “a new type of infrastructure specifically tailored to the needs of energy-intensive AI computing workloads – with a focus on energy efficiency, high performance and sustainability” and partnered with CDC Data Centers and Nvidia.
Curtis, husband of Sydney expatriate publicist and influencer Roxy Jacenko, initially invested $250,000 in Firmus, which was valued at $81 million in 2024. The latest deal will likely make him a billionaire on paper.
Oliver, the son of mining and banking executive Nick Curtis, became infamous in 2016 when, as a 30-year-old stockbroker…
