Echo River Capital
Impact investorActively deployingMarin County · Pre-Seed–Series A · 1 people tracked
Investment thesis
Echo River Capital invests globally in early-stage water technology ('watertech') companies organized around what it calls the 'Three D's of Watertech': digitizing, decarbonizing, and decentralizing the water cycle. The firm envisions a future of living in freshwater harmony with nature enabled by technology. Its portfolio companies are positioned to advance multiple UN Sustainable Development Goals. The firm is impact-oriented and open only to accredited investors.
Source: firm website, verified Aug 3, 2026.
Team · 1 people
from the firm's website
What they invest in
from 39 of 70 portfolio companiesClimate Tech ×21Cleantech ×17Impact & Social Good ×13AgTech ×10SaaS ×7AI & Machine Learning ×5Deep Tech ×5Circular Economy ×4
HQs:United States×20United Arab Emirates×1Indonesia×1Ireland×1India×1New Zealand×1
Investments · 70 tracked
founders shown can be your intro path
Fervo Energy develops next-generation geothermal technology using advanced drilling and sensing techniques to unlock carbon-free, 24/7 power generation in previously uneconomic locations.
CleantechClimate TechEnergyHouston, US
Tim Latimer(Founder & CEO)inJack Norbeck(Founder)inDavid Thomas Danielson(Director)Nicholas Walrod(Director)Ion Yadigaroglu(Director)
WaterSmart provides a digital engagement platform for water, gas, and electric utilities and energy retailers to modernize customer billing, engagement, and data analytics.
EnergyEnterprise SoftwareSaaSSan Francisco, US
Robin Gilthorpe(Executive Officer, Director)Steve Bennet(Director)Thomas Harvey(Director)Will Rosenzweig(Director)
BoardSteve Westly(Director)
Board seatPeter Yolles· per SEC Form D · $7M raise · filed Apr 2015
The 2050 Accelerator is a six-month global accelerator program, powered by Dogpatch Labs, that pairs startups working on sustainability and climate technologies with large industry partners such as Kerry Group, ESB, and Coillte to develop pilots and scale toward commercial deployment.
CleantechClimate TechImpact & Social GoodDublin, IE
Mansfield, US
Jiten Manglani(Director)Pamela Lynch(Executive Officer)Julie Bliss Mullen(Executive Officer, Director)Orren Schneider(Executive Officer)
BoardTom Ferguson(Director)Wayne Byrne(Director)
Activate operates a fellowship program for entrepreneurial scientists who develop hard technology ventures.
Deep TechEdTechImpact & Social Good
Active Membranes develops an electro-active membrane desalination platform consisting of spiral-wound RO elements, electrical signal conditioning hardware, and smart control, aimed at lowering cost and eliminating chemicals in water treatment.
CleantechDeep TechHardwareNorthridge, US
Eric Hoek(Director)Arian Edalat(Executive Officer, Director)Shahrouz Parson Vazan(Executive Officer)
BoardBenjamin Tam(Director)Maarten ter Keurst(Director)Richard M Wolfen(Director)
Ag Startup Engine is an investment and support organization that connects early-stage agricultural startups with investors and industry partners.
AgTechIowa, US
Joel Harris(Executive Director)Colin Hurd(Co-Director)Kevin Kimle(Co-Director)
Agnition finds, builds, and invests in early-stage agricultural technology ventures aimed at helping farmers and growers bring practical solutions to market.
AgTechClimate Tech
Alchemist Accelerator is a six-month accelerator program for technical founders building AI-SaaS and deeptech companies that sell to enterprises, offering coaching, mentorship, investor access, and commercialization support.
AI & Machine LearningDeep TechEnterprise SoftwareSan Francisco, US
Blue Startups is a Honolulu-based accelerator that runs a 12-week, mentor-driven program offering up to $250,000 in seed funding, mentorship, and investor introductions to scalable technology startups, with a founder priority on Hawaii, female, and East-West companies.
Sector AgnosticHonolulu, US
Henk Rogers(Co-founder)Maya Rogers(Co-founder)Chenoa Farnsworth(Co-founder & Managing Partner)
CREW provides process intensification technology for wastewater treatment facilities using calcium carbonate dosing to enhance treatment efficiency, reduce operating costs, and remove greenhouse gases.
Circular EconomyCleantechClimate TechNew Haven, US
CRH Ventures is the corporate venture capital arm of CRH, a building materials company operating in North America and Europe.
Climate TechConstruction Tech
DigitalPaani offers a platform that manages water and wastewater treatment plants (STPs, ETPs, filtration/UF/RO systems) by using sensor data, automation, and workflow management to improve compliance, uptime, water recycling, and operating costs.
AI & Machine LearningCleantechIoT
Elemental Impact is a 501(c)(3) nonprofit investor that provides catalytic capital and specialized expertise—including policy engagement, workforce development, and capital coaching—to entrepreneurs building climate technologies across energy, industry, food and agriculture, nature, water, and transportation.
CleantechClimate TechImpact & Social Good
Leads the way in sustainable onsite water reuse solutions for the built environment.
Epic Cleantec designs, engineers, and operates onsite water recycling and reuse systems for real estate developers and building owners.
Circular EconomyCleantechPropTech
MassChallenge is a startup accelerator that runs programs connecting founders to corporates, customers, regulators, funders, and expert mentors.
Climate TechHealthtechImpact & Social Good
Glanris produces customized biochar from agricultural waste and biomass (including rice husks and sargassum) for applications in water filtration, soil amendment, and concrete, while sequestering carbon at scale.
AgTechCircular EconomyClimate TechMemphis, US
Jan Bouten(Director)Bryan M. Eagle III(Executive Officer, Director)Thomas W. Volinchak(Director)
Imagine H2O is a nonprofit accelerator and funding program that supports water technology startups by providing mentorship, market access, and pilot support to help them scale with utilities and corporate water users.
CleantechClimate TechImpact & Social Good
Innospark Ventures is a venture capital firm that invests in founders building Applied AI and deep technology solutions to complex problems.
AI & Machine LearningDeep Tech
J-Ventures is a community-driven venture capital fund made up of investors, executives, and founders, describing itself as a "Capitalist Kibbutz." Based in Silicon Valley, it invests in early-stage companies and supports its portfolio through a network of GPs, serial entrepreneurs, and Fortune 500 executives.
Sector Agnostic
Kairos Space Tech publishes research and experiments on hydroponic nutrient solution chemistry, examining how factors such as dissolved oxygen, pH, and oxidation-reduction potential affect fertilizer salt solubility and nutrient stability.
AgTech
A philanthropic nonprofit foundation established in honor of Susan Cohan, focused on colon cancer awareness and support for those affected by the disease in the United States.
Impact & Social GoodLutherville, US
Mana is an advisory and systems-investing firm focused on the nature economy, providing mission-aligned financing, market intelligence and research, strategic support, and capital mobilization for nature-positive businesses.
AgTechClimate TechImpact & Social Good
Natural Ventures is an impact-focused investment firm that backs scalable technologies with commercial traction in water and food security.
AgTechCleantechImpact & Social Good
New Climate Ventures is an early-stage venture capital firm that invests in startups focused on how energy is produced, powered, and consumed, drawing on experience in energy, commodities, climate, and finance.
Climate Tech
Open Hydro develops technology to assess and mitigate greenhouse gas emissions from freshwater systems, including reservoir emissions, providing climate mitigation and resilience insights for hydropower utilities and water industries.
CleantechClimate TechEnergySaaS
Provides affordable, distributed sensors with advanced analytics for precise water and soil management.
PureTerra Ventures is a specialist venture capital firm that invests globally in early-stage water technology companies developing scientific hardware or AI-driven software.
CleantechClimate TechImpact & Social Good
RareBreed Ventures is a pre-seed venture capital fund that invests in founders primarily located outside of major tech ecosystems, writing checks of up to $250K as one of the first investors.
Sector Agnostic
Sage Hill Capital is a wealth management and financial advisory firm that helps clients pursue their financial goals through an unbiased asset allocation process.
Fintech
Dave RobertsChris Fragner
Solidec builds autonomous electrolyzer-based generators that use air, water, and electricity to produce essential chemicals on site and on demand, removing supply-chain, delivery, and storage burdens.
Advanced ManufacturingCleantechClimate TechNew Materials
Ryan(Co-founder & CEO)Yang(Co-founder & CTO)Haotian(Co-founder & Chief Scientist)
Sustainable Ocean Alliance supports emerging ocean leaders and startups through grants, mentorship, investment access, and community, including a year of online programming and travel to ocean conferences.
CleantechClimate TechImpact & Social Good
SWAN Systems provides irrigation and nutrient management software that generates irrigation plans, tracks water use, monitors crop health via satellite imagery/NDVI, and aligns fertigation with crop nutrient demand.
AgTechClimate TechSaaS
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Exits · 1
IPOs and acquisitions across the tracked portfolioFervo EnergyNASDAQ: FRVO
Portfolio news
latest coverage across their companiesFervo Energy · investing.com · Jul 17, 2026
Crew Carbon · esgtoday.com · May 18, 2026
Irrigreen · prnewswire.com · Apr 22, 2025
Frequently asked questions
- What stage does Echo River Capital invest at?
- Echo River Capital invests at the Pre-Seed, Seed, Series A stages.
- What is Echo River Capital's typical check size?
- Echo River Capital typically writes checks of $10K – $250K.
- What sectors does Echo River Capital focus on?
- Echo River Capital focuses on Cleantech, Climate Tech, Deep Tech, Impact & Social Good.
- Where is Echo River Capital located?
- Echo River Capital is headquartered in Marin County, US.
- Does Echo River Capital lead rounds?
- Echo River Capital typically participates in rounds rather than leading them.
Media · Podcasts & interviews
featuring the teamPeter Yolles, Managing Partner at Echo River Capital: Entrepreneurship and VC in the Water Industry
Covalence Global · Peter Yolles
Images
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