Alga Biosciences
YC W22San Francisco, US · Founded 2021 · 6 employees · 11 known investors
Alga Biosciences develops feed additives that reduce methane emissions from cattle — cutting cow burps to combat climate change.
Advanced ManufacturingAgTechBiotechClimate TechClimateAgricultureUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (W22)
Alga Biosciences was founded in 2021 by Alex Brown, Daria Balatsky, Caroline McKeon, and Alexander Brown.
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Alex BrowninCo-founder and CEO
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Daria BalatskyinFounderDaria Balatsky is a physical chemist with research experience spanning pharmaceutical development for kidney disease and quantum materials studies during her PhD. She is a co-founder and chemist at Alga Biosciences.30 Under 30 2026
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Caroline McKeoninCo-Founder2021–2024Caroline McKeon studied physical chemistry and quantum mechanical electronic structure theory at Haverford College and UC Berkeley. She develops cattle feed additives derived from kelp to reduce methane emissions from ruminants.
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Alexander BrowninFounder
Investors · 11
Y Combinator✓ verifiedSan Francisco · $500K
Day One Ventures✓ verifiedSan Francisco · $100K – $5M
Angel Collective Opportunity FundSan Francisco
Collaborative FundNew York · $500K – $1M
Cool Climate CollectiveSacramento · $100K – $350Kvia Mehrad Yaghmai · inferred
Helium-3 VenturesNew York
JetstreamSan Francisco
Rebel FundSan Francisco · $100K – $5M
Unruly CapitalLondon
Very Serious VenturesLynnwood
Overview CapitalreportedNew York
In the news
Frequently asked questions
- What does Alga Biosciences do?
- Alga Biosciences develops feed additives that reduce methane emissions from cattle — cutting cow burps to combat climate change.
- Who founded Alga Biosciences?
- Alga Biosciences was founded by Alex Brown, Daria Balatsky, Caroline McKeon, Alexander Brown in 2021.
- Who are Alga Biosciences's investors?
- Alga Biosciences's investors include Y Combinator, Day One Ventures, Angel Collective Opportunity Fund, Collaborative Fund, Cool Climate Collective, Helium-3 Ventures, Jetstream, Rebel Fund and 3 more.
- Where is Alga Biosciences headquartered?
- Alga Biosciences is headquartered in San Francisco, US.


