Fundraising Fox

At One Ventures

Actively deploying

Menlo Park · Seed–Series A · 3 people tracked

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Investment thesis

At One Ventures was founded to address the climate crisis by transforming industries that cause the greatest environmental damage. The firm focuses on supporting climate technology projects that can reverse ecological destruction affecting ecosystems, economies, and natural habitats.

Invests inClimate TechMenlo Park

Source: firm website, verified Jul 20, 2026.

Stage
Seed–Series A
HQ
Menlo Park, US
Founded
2020
Tracked investments
60

Team · 3 people

from the firm's website
Tom Chiin

Founding member of Google X who left to focus full-time on climate solutions after witnessing ecological damage to coral reefs. He founded At One Ventures in 2020 to help solve the climate crisis.

What they invest in

from 8 of 60 portfolio companies

Cleantech ×3Climate Tech ×3Energy ×3Advanced Manufacturing ×2Deep Tech ×2Fintech ×2Hardware ×2SaaS ×2

HQs:United States×17

Investments · 60 tracked

founders shown can be your intro path
Arrowblueenergy.co✓ verified

Blue Energy develops scalable small modular reactor (SMR) technology to deliver nuclear power at scale. The company focuses on removing economic barriers to nuclear infrastructure deployment for utilities and data centers seeking clean, reliable baseload energy.

CleantechClimate TechDeep TechEnergyHardwareWashington, US

JakeMichaelSteveTom

MightyFlymightyfly.com✓ verified

MightyFly develops autonomous electric cargo aircraft designed for rapid logistics and package delivery to businesses, healthcare providers, and government agencies. The company's aircraft can carry up to 500 pounds over 600 miles at 150 mph and includes logistics infrastructure for deployment.

AI & Machine LearningHardwareLogistics & Supply ChainRoboticsSan Francisco, US

Manal Habib(CEO and Founder)Damen Cheung(Head of Software and Avionics)Steve Wollenberg(Chief Commercial Officer)Brendan Szuwalski(Head of Airframe)

Adden Energy
Addis Energy

Produces ammonia through a net energy-positive process using engineered subsurface hydrogen generation from iron-rich rocks combined with nitrogen.

Alchemie Technology
Ambient Photonics
Apis Cor
Arrowaddisenergy.com

Addis Energy develops technology that combines oil and gas engineering expertise with advanced research to access energy and resources from subsurface geology.

CleantechDeep TechEnergy

Arroweenews.net

E&E News is a journalism outlet providing original reporting on energy and environmental policy, regulation, and innovation for professionals. The publication covers topics including climate policy, electric utilities, renewables, federal agencies, and corporate sustainability.

Climate TechEnergyMedia & EntertainmentArlington, US

Ascend Elements
Avalo
Blue Energy

Dramatically reduces nuclear construction times and costs by centralizing manufacturing of nuclear power plants in shipyards using proven reactor technologies.

ChemFinity
Chloris Geospatial
Client Loginarkpes.com

Ark provides a customizable digital platform for venture capital and private equity firms to manage investor communications, performance reporting, and document sharing with their limited partners. The portal offers branded dashboards, secure data management, and streamlined quarterly reporting.

Enterprise SoftwareFintechSaaS

Climax Foods
Colossal
Cruz Foam
Cuby Technologies
Dalan Animal Health
Dendra Systems
Evove
Factor2 Energy
Finless Foods
Gigablue
Gradient
Halo
Helios
Inevitable Tech
Inlyte Energy
Intensivate
Lokl Wind
Material Evolution
MightyFly
Miraterra
Modern Hydrogen
Mojave
Monarch Tractor
MOXY
Near Space Labs
Noon Energy
Okra Solar
Orbillion Bioorbillion.comin𝕏

Orbillion Bio develops cultivated beef using computational optimization and proprietary bioprocess controls to achieve cost-competitive production at scale without genetic modification or expensive growth factors. The company targets the ground beef market through partnerships with major food corporations.

Advanced ManufacturingClimate TechSan Francisco, US

Patricia Bubner(Founder)in

Orbillion Bio
Oskybit.lyin

Bitly provides a unified platform for URL shortening, QR code generation, and landing page creation with advanced analytics and tracking capabilities. The service helps businesses and marketers build brand connections and manage customer engagement across digital channels.

FintechMarketing TechSaaSBrooklyn, US

Precision AI
Prefer
Provectus Algae
Puna Bio
Ravel
Relectrify
Revterra
Roam
Simplifybersimplifyber.comin

Simplify manufactures fabric and soft goods using proprietary bio-based materials and additive manufacturing techniques that eliminate traditional spinning, weaving, cutting, and sewing processes. The company targets the soft goods industry with sustainable material formulations.

Advanced ManufacturingCircular EconomyCleantechNew MaterialsNew York City, US

Simplifyber
Stellaria
TEMO
Tik Toktiktok.com
Transmutex
Wild Earth

Board seats · per SEC filings · 11

what is this? ⓘ
Blue Energy Global Inc.SEC filing

$400M raise · filed May 2026 · via Liang-Yu Chi

Addis Energy, Inc.SEC filing

$8.4M raise · filed Dec 2025 · via Laurie Charles Menoud

Cuby Technologies, Inc.SEC filing

Raise · filed Aug 2025 · via Liang-Yu Chi, Liang-Yu Chi

Chloris Geospatial Inc.SEC filing

$16.2M raise · filed Jul 2025 · via Liang-Yu (tom) Chi

Puna Bio CorpSEC filing

$20.3M raise · filed Jun 2025 · via Laurie Martinez Menoud

Modern Hydrogen, Inc.SEC filing

$35M raise · filed Dec 2024 · via Liang-Yu Shih Arng Chi

Adden Energy, Inc.SEC filing

$15M raise · filed Sep 2024 · via Laurie Menoud

Inlyte Energy, Inc.SEC filing

$8.5M raise · filed Jul 2023 · via Laurie Menoud

Ascend Elements, Inc.SEC filing

$100M raise · filed Jan 2023 · via Laurie Menoud

Avalo, Inc.SEC filing

$1.1M raise · filed Feb 2022 · via Laurie Menoud

Modern Electron, Inc.SEC filing

$30M raise · filed Dec 2021 · via LIANG-YU Shih Arng CHI

Inferred from directors named on each company's SEC Form D — public regulatory data, not a portfolio list published by the firm.

Frequently asked questions

What stage does At One Ventures invest at?
At One Ventures invests at the Seed, Series A stages.
What sectors does At One Ventures focus on?
At One Ventures focuses on Climate Tech.
Where is At One Ventures located?
At One Ventures is headquartered in Menlo Park, US.

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