Ian Rountree

General Partner at Cantos · Joined 2016

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Biography

Ian Rountree founded Cantos in 2016 to invest in technology outside the areas Silicon Valley venture firms were then funding, on the view that hardware and biology were underserved. Before Cantos he was on the early teams at Invisible Technologies and SoFi. He has told the press he is not technical by background and holds a bachelor's degree in international relations. He raised the firm's $50M third fund in 2022 and a $70M Fund IV that closed in 2026, investing at pre-seed and seed in physical-world companies across defense, aerospace, energy, materials and biotech.

Education

Previous Experience

Career Timeline

2016
Founded Cantos.
2022
Announced Cantos 3, a $50M fund.
2026
Closed Cantos Fund IV at $70M.

Sources & References

Cantos - Team ↗TechCrunch - Cantos ploughs $50M into near-frontier startups ↗Tectonic Defense - Cantos Raises $70M Fund IV ↗