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Alga Biosciences

YC W22

San Francisco, US · Founded 2021 · 6 employees · 20 known investors

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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.

ABAlex Brown
Alex BrownFounder
DBDaria Balatsky
Daria BalatskyFounderDaria 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
CMCaroline McKeon
Caroline McKeonCo-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.
ABAlexander Brown
Alexander BrownCo-Founder, CEO

Investors · 20

Day One Ventures✓ confirmed by Alga BiosciencesSan Francisco · $100K – $5M

How we know: the company's own site · funding news · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Angel Collective Opportunity Fundlisted by Angel Collective Opportunity FundSan Francisco
BBQ Capitallisted by BBQ CapitalSan Francisco

How we know: BBQ Capital's portfolio page · Not right? Tell us

Collaborative Fundlisted by Collaborative FundNew York · $500K – $1M

How we know: Collaborative Fund's portfolio page · a partner's Signal profile · funding news · the VCSheet dataset · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Cool Climate Collectivelisted by Cool Climate CollectiveSacramento · $100K – $350Kvia Mehrad Yaghmai · inferred

How we know: Cool Climate Collective's portfolio page · a partner's Signal profile · Y Combinator's founder network · Not right? Tell us

Helium-3 Ventureslisted by Helium-3 VenturesNew York

How we know: the VCSheet dataset · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Jetstreamlisted by JetstreamSan Francisco

How we know: a partner's Signal profile · Not right? Tell us

Leap Forward Ventureslisted by Leap Forward VenturesLarkspur

How we know: Leap Forward Ventures's portfolio page · Not right? Tell us

Pioneerlisted by PioneerToronto, Ontario

How we know: Y Combinator's founder network · pioneerfund.vc · open dataset · 5k.vc investor directory · Not right? Tell us

Rebel Fundlisted by Rebel FundSan Francisco · $100K – $5M

How we know: Rebel Fund's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Unruly Capitallisted by Unruly CapitalLondon

How we know: Unruly Capital's portfolio page · Not right? Tell us

Very Serious Ventureslisted by Very Serious VenturesLynnwood

How we know: Very Serious Ventures's portfolio page · Not right? Tell us

BBQ Launcher Fund 0.1reported$1.1M – $3.3M

How we know: Y Combinator's founder network · Not right? Tell us

Blast.Clubreported$5.5M

How we know: Y Combinator's founder network · Not right? Tell us

Liquid VenturesreportedSan Francisco · $250K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Mesia Venturesreported

How we know: Y Combinator's founder network · Not right? Tell us

Overview CapitalreportedNew York

How we know: funding news · Y Combinator's founder network · Not right? Tell us

SciFoundersreportedSan Francisco · $1M

How we know: Y Combinator's founder network · Not right? Tell us

SHL CapitalreportedSeattle · $100K – $250K

How we know: Y Combinator's founder network · Not right? Tell us

Related companies · 5

MolagriMolagri develops biopesticides that target harmful insects through specific molecular mechanisms while protecting beneficial insects and the environment, and incorporates resistance modeling to maintain product efficacy over time.
OvipostOvipost farms insects and worms to produce protein by converting organic waste, positioning insect farming as a sustainable protein source and upcycling solution.
Living CarbonLiving Carbon develops precision-bred tree varieties and reforestation techniques to convert marginal land into carbon-sequestering ecosystems. The company targets climate mitigation through enhanced photosynthesis and biodiversity restoration.
Ohmic BiosciencesOhmic Biosciences develops engineered proteins and synthetic biology solutions to address diseases in crops. The company creates durable treatments applicable across different agricultural products.
Releaf EarthReleaf builds climate-resilient agriculture solutions for smallholder farmers in Africa through supply chain, agronomic expertise, and hardware-software integration. The company aims to improve farming sustainability and economic prosperity across the continent.

Companies working in the same space as Alga Biosciences.

Legal entities · 1

corporate structure
Alga Biosciences Inc.

In the news

Alga Biosciences wants to help climate change, one bovine burp at a time | TechCrunchtechcrunch.com · Apr 2023

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, BBQ Capital, Collaborative Fund, Cool Climate Collective, Helium-3 Ventures, Jetstream and 12 more.
Where is Alga Biosciences headquartered?
Alga Biosciences is headquartered in San Francisco, US.