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Alga Biosciences

Alga Biosciences logo

Alga Biosciences

We stop cows from burping methane.

alga.bio
HQ: Berkeley, CA, USA; San Francisco, CA, USA
1-10
Industrials

Company research

Public company, workplace, funding, and market signals

Updated Jul 29, 2026

Overview

Climate biotech startup developing algae-derived cattle feed additives that reduce enteric methane emissions, with a go-to-market tied to farmer economics and carbon-credit-enabled commercial pilots.

Primary product

Algae-derived cattle feed additive (kelp-based supplement / Alga 1.0) to reduce enteric methane emissions

Founded

2021

Headquarters

San Francisco, California, United States

Team size

1-10

Industry

Biotechnology

Sub-industry

Climate tech / agritech / livestock methane reduction

Offices

Berkeley, California, United States
Singapore

Business model

B2B agricultural feed additive
carbon-credit-enabled livestock mitigation program

Funding

Stage

Seed / early-stage VC

Total raised

$4.5M

Latest round

Early Stage VC · Feb 2024

Early Stage VC

Feb 2024

Seed

Apr 2023 · Collaborative Fund

$4M

Grant

Apr 2023 · U.S. Department of Agriculture (Climate Smart Commodities)

Pre-Seed

Mar 2022

$500K

People & investors

Leadership

Alex Brown

Co-Founder and CEO

Daria Balatsky

Chief Technology Officer

Janine Grossmann

Director of Logistics and Manufacturing

Amy E.

Director of Microbiology Research

Founders

Caroline Anne McKeon

Co-Founder and Chief Scientific Officer

Investors

Collaborative Fund
Cool Climate Collective
Day One Ventures
Helium 3 Ventures
Liquid 2 Ventures
Overview Capital
Pioneer Fund
Rebel Fund
U.S. Department of Agriculture (Climate Smart Commodities)
Y Combinator

Work & culture

Mission-driven, fast-moving startup focused on scalable biology, climate impact, and practical economics for cattle owners and producers.

Compensation

A public formulation-science job listing showed $100,000-$180,000/year, plus stock options, relocation stipend, health coverage, generous PTO, and a 401(k) plan.

Benefits

competitive salary
stock options
relocation stipend
comprehensive health coverage (medical, dental, vision)
generous time-off policy
401(k) plan

Product & market

Pricing

Not publicly disclosed; public signals suggest B2B feed-additive sales with trial-based adoption and potential carbon-credit revenue sharing.

Differentiators

  • —Uses algae-derived feed additives rather than undomesticated seaweed farming
  • —Claims up to 97% methane reduction in cattle
  • —Publicly described live-animal trial results were undetectable methane in beef cattle
  • —Economics-oriented value proposition for farmers through improved feed efficiency
  • —Designed to be scalable and low-cost for commercial pilots

Technology

amp
box
greenhouse
impact

Customers

cattle owners
beef producers
dairy producers
livestock operators

Competitors

Rumin8
CH4 Global
Mootral
Symbrosia
Future Feed

Scale & contact

Estimated revenue

~$1M-$10M (third-party estimates; some sources center around ~$5M ARR)

Estimated monthly visits

2K

Traffic estimate as of Jun 2026

hello@alga.bio

Latest news

30 Under 30 Energy & Green Tech 2026: Meet The Founders Recharging Our Energy Future

Forbes · Dec 2025

Profiles Daria Balatsky of Alga Biosciences and says the company has raised about $8M while targeting major methane reductions from cattle feed supplements.

Scaling methane-reduction solutions in livestock

3Degrees · May 2025

Describes a partnership to bring Alga Biosciences' methane-reducing feed additive to market, including a pilot at Fiscalini Farmstead and a carbon-market commercialization path.

Alga Biosciences wants to help climate change, one bovine burp at a time

TechCrunch · Apr 2023

Covers the company's seed raise, product claims, founders, USDA grant, and early live-animal trial results.

Y Combinator-Backed Climate Tech Startup Alga Biosciences Raises $4M

Business Insider · Apr 2023

Reports the startup's first institutional round and investor lineup, and points to the pitch deck used to raise the money.

3Degrees partnership coverageApplyBusiness Insider coverageContactLinkedIn companyOfficial websiteTeamTechCrunch coverageY Combinator profileYC jobs page
SourcesOfficial websiteTeam pageApply / careersContactLinkedIn company pageY Combinator company pageTechCrunch seed articleBusiness Insider funding article3Degrees partnership articleForbes 30 Under 30 article

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