[2] He grew up in Greenwood, went to school at Sacred Heart College and then studied software engineering at Edith Cowan University.
[3] Arena started his career as a technical specialist for the Australian Federal Police in Canberra, where he tracked cyber criminals.
[3] In 2014, Arena co-founded Intel 471,[2] a company that tracked criminals and sold intelligence on cyber threats.
[2][3][4] In May 2024, MT Arena Capital Investment Property Limited (MTACI) made a non-binding indicative offer for National Basketball League (NBL) club, the Perth Wildcats.
[5] In July 2024, Sports Entertainment Group agreed to sell 90% of their 95% shareholder ownership of the Wildcats to Arena at an estimated value of $40 million.