Atierra is an OIST-born deep-tech startup building a microalgae bioproduction platform that converts microalgae and CO2 into low-carbon oil feedstocks for sustainable aviation fuel (SAF). Founded by CEO Shivani Sathish with co-founder Daniel Yee and based in Okinawa, Japan, the company aims to make SAF feedstock supply scalable and cost-competitive — a supply gap it and its investors cite as a key bottleneck to decarbonising aviation. Its approach is described as interdisciplinary and AI-native, optimising process conditions for consistent, cost-efficient feedstock production.
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Aug 31, 2026
Latest raise
Funding activity · 1 round
Aug 31, 2026
JPY 60M
Pre-Seed
Led by Lifetime Ventures
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