No. 322Australia
Mike Cannon-Brookes
Software · Sydney
Net worth
$11.0B
Today
+$174M+1.61%Past month
−$2.6B−19.27%As of Nov 11, 2026, 1:50 PM EST
Mike Cannon-Brookes is cofounder and CEO of collaboration software firm Atlassian, based in Sydney. He and cofounder Scott Farquhar started the company soon after graduating from college, funding it with credit cards. In 2023, he took over Sydney based renewable energy outfit Sun Cable. It was a joint venture with fellow billionaire Andrew Forrest but they fell out. He acquired a minority stake in Australian energy company AGL Energy in 2022. In 2023, he separated from Annie, his wife of 13 years.
Net worth over time
−19.27%−$2.6B over the past month
$15B$13B$11B
Oct 12Nov 11
Principal holdings
3 positions| Company | Industry | Share | Value |
|---|---|---|---|
Atlassian Corp NASDAQ: TEAM | Technology | 64.3% | $7.0B |
Private and other holdings | Technology | 31.8% | $3.5B |
AGL Energy ASX: AGL-AU | Technology | 4.0% | $434M |
Also known for
- In 2020, Cannon-Brookes bought a minority stake in NBA team Utah Jazz, along with Qualtrics cofounder Ryan Smith.
- Cannon-Brookes has been a vocal advocate for reducing Australia's reliance on fossil fuels, in favor of renewable energy sources.
- In 2021, Mike and his wife Annie pledged to donate $1.5 billion of their wealth by 2030, earmarking it for climate change charity and investments.
- His Grok Ventures, a venture capital firm he owns along with his wife Annie, invests in ventures focussed on sustainable solutions.
- The Singapore government has given a conditional approval to import low-carbon electricity from Cannon Brookes' renewable player Sun Cable.
“If you watch your [stock price] every day, it's like going to the casino. If you play roulette, your money is going to go up heaps and down heaps. What's the point of that? Let's focus on what the company is like in five years.”