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Bay Bridge Ventures Climate

Venture capital

Bay Area · Pre-Seed–Seed · 12 people tracked

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Investment thesis

Bay Bridge Ventures targets early-stage climate technology companies with proven, defensible technologies and scalable business models. The firm seeks to generate top-quartile returns while advancing climate solutions, with a commitment to diversity in its founding partners and broader investment team. The firm dedicates a portion of carried interest to philanthropic causes and pre-revenue mission-driven startups aligned with its climate focus.

Invests inClimate TechBerkeley

Source: firm website, verified Jul 21, 2026.

Stage
Pre-Seed–Seed
HQ
Bay Area, US
Instruments
Equity
Tracked investments
35

Team · 12 people

from the firm's website
Andrew Karsh· General Partner
Joe Blair· General Partner
Kim Kolt· General Partner
Barney Schauble· Chairman of Nephila Climate

Founder of Nephila Advisors and Board Chair of Ceres, with deep expertise in climate finance.

Brian Finn· Founder of Siddhi Capital

Former President of Credit Suisse First Boston with experience in senior roles at KKR, Owl Rock, and BlackRock.

Carmichael Roberts· Founder and Managing Partner of Material Impact

Investment Committee Member at Breakthrough Energy Ventures with focus on climate and sustainable materials.

Daniel Glenn· Chief of Staff at GoodLeap

Operations leader with former experience as CEO of a private family office.

David Lynn· Founder of Mission Driven Finance

Investment professional and former Chief Investment Officer for the Price Family Office.

Karine Dubner· CEO of Brochu Walker

Fashion and retail executive with prior leadership at BCBG Max Azria.

Prem Ramaswami· Former Head of Sidewalk Labs

Former leader of Google's Sidewalk Labs division focused on sustainable urban development.

Tom Baruch· Founder and Managing Director of Baruch Future Ventures

Partner Emeritus at Formation 8 (8VC) and advisor to Breakthrough Energy Ventures, focused on climate technology.

Wilson Chang· Founder of Sunlight Financial

Experienced cleantech operator and investor with Hudson Sustainable Investments.

What they invest in

from 10 of 35 portfolio companies

AI & Machine Learning ×3Hardware ×3Circular Economy ×2Cleantech ×2Climate Tech ×2Energy ×2IoT ×2New Materials ×2

HQs:United States×6

Investments · 35 tracked

founders shown can be your intro path
Acquiredsunstonecredit.comin𝕏
Acquiredexowatt.comin𝕏

Exowatt builds modular clean energy infrastructure systems designed for 24/7 solar power generation, targeting global AI infrastructure and critical industries that require reliable, ultra-low-cost sustainable power. The company manufactures its systems in the United States.

AI & Machine LearningCleantechEnergyHardware

Allbirds
Alliumengalliumeng.com
AMPLY Poweramplypower.com
Apeiron Labsapeironlabs.com

Apeiron Labs develops autonomous underwater vehicles and ocean technology for marine applications. The company builds deep-tech solutions for ocean exploration and resource management.

Climate TechDeep TechIoTRobotics

Ravi Pappu(CEO / Board Member)

Arcadia
Arcadia Powerarcadia.comin

Arcadia is an energy intelligence platform that helps businesses manage utility bills, procure energy, and track sustainability through a single interface. The company serves Fortune 2000 enterprises with multiple locations and significant energy spending.

AI & Machine LearningEnergyEnterprise Software

<UNKNOWN>(Chief Executive Officer & Founder)

Astraastra.com

Astra provides dedicated orbital launch services and manufactures electric propulsion systems for satellites. The company serves government and commercial customers seeking responsive space access and on-orbit satellite operations.

Defense TechHardwareSpace TechAlameda, US

Chris Kemp(Founder)Dr. Adam London(Founder)

BlueNalu
Carbon Capture
Chanje Energy
Commonwealth Fusion Systems
Emanateemanate.aiin𝕏
Enbalaenbala.com
Goodleapgoodleap.com
Hyperloop Transportation Technologies
Liliumlilium.com
Loliwareloliware.com

Loliware develops SEA Tech resins and manufactures products using its proprietary plastic-free material technology to help customers meet ESG and sustainability goals. The company serves businesses and consumers seeking alternatives to conventional plastics.

Circular EconomyCleantechNew Materials

Maxar Technologies
Mighty Buildingsmightybuildings.comin𝕏

Mighty Buildings manufactures prefabricated homes using 3D printing technology and robotics, with a goal of reducing construction emissions and waste. The company serves the residential housing market by automating 80% of production through proprietary printing materials that can be cut and trimmed by robotic systems.

PropTechRoboticsSan Francisco, US

Slava Solonitsyn(Founder)inDmitry Starodubtsev(Founder)in

Notpla
Ocean Infinity
Renoviz
SailPlan Marine Emissions Optimizationsailplan.com

SailPlan builds AI-powered systems for the marine industry that detect vessel performance anomalies, forecast maintenance needs, and automate parts ordering and service coordination for commercial shipping and recreational vessels.

AI & Machine LearningIoT

Sima Technologies
Solarcoresolarcore.tech

Solarcore manufactures advanced thermal insulation products based on aerogel technology for consumer, commercial, and government applications.

HardwareNew Materials

Spirits
Sunfinance
Sunlightfinancialsunlightfinancial.comin𝕏
Svanteincsvanteinc.comin𝕏
Turntideturntide.com𝕏
Visit Allbirdsallbirds.com𝕏

Allbirds manufactures and sells sustainable footwear and apparel for men and women through direct-to-consumer channels.

Circular EconomyConsumerDirect to Consumer

Wildtypewildtypefoods.com

Wildtype grows salmon directly from fish cells using cellular agriculture, allowing production of seafood without wild-caught or farmed fish. The company serves restaurants and consumers seeking sustainable seafood with reduced contaminants.

BiotechClimate TechFoodTech

Windward

Board seats · per SEC filings · 2

what is this? ⓘ
Neighborhood Sun Benefit Corp.SEC filing

$1.5M raise · filed May 2023 · via Kim Kolt

Turntide Technologies Inc.SEC filing

Raise · filed Mar 2021 · via Kim Kolt

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 Bay Bridge Ventures Climate invest at?
Bay Bridge Ventures Climate invests at the Pre-Seed, Seed stages.
What sectors does Bay Bridge Ventures Climate focus on?
Bay Bridge Ventures Climate focuses on Climate Tech.
Where is Bay Bridge Ventures Climate located?
Bay Bridge Ventures Climate is headquartered in Bay Area, US.

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