# Ecosystem Integrity Fund

Ecosystem Integrity Fund is a Private Equity based in San Francisco, United States.

## Overview

- **Organization type:** Private Equity
- **Headquarters:** San Francisco, United States
- **Region:** North America
- **Address:** San Francisco, CA, United States
- **Founded:** 2012
- **Assets under management:** Undisclosed
- **Website:** www.eif.vc
- **LinkedIn:** https://www.linkedin.com/company/ecosystem-integrity-fund

## Regulatory record

- **Reports private funds:** No

## About

Ecosystem Integrity Fund is a San Francisco-based venture capital fund founded in 2010. It invests in early growth stage companies contributing to environmental sustainability. The fund has made 82 investments, including a Series C - IV investment in ZeroAvia on December 22, 2025.

## Sectors

- Energy Transition & Renewables
- Mobility & Transportation
- AgriTech & FoodTech
- ClimateTech
- Waste Reduction
- Green Chemistry

## People

- James Everett — Managing Partner
- Devin Whatley — Managing Partner
- Geoffrey Eisenberg — Senior Partner
- Sasha Brown — Senior Partner

## Questions

### Who runs investment decisions at Ecosystem Integrity Fund?

Managing Partners James Everett and Devin Whatley co-lead the fund. Everett authored the fund strategy, chairs the Investment Committee, and directs research and due diligence. Whatley co-leads deal structuring, negotiations, and portfolio company engagement, drawing on over 30 years in sustainability and technology commercialization.

### What is Ecosystem Integrity Fund's investment strategy?

EIF targets early-growth stage companies where a critical business problem overlaps with a sustainability problem. It focuses on six themes — renewable energy, transportation, agriculture and food, climate resilience, green chemistry, and waste reduction — and seeks niches that are undercapitalized but positioned for near-term adoption within large, slow-changing industries.

### Does Ecosystem Integrity Fund participate in fund commitments or only direct deals?

EIF makes direct equity investments in operating companies. It does not present itself as a fund-of-funds or LP in other managers. Board seats at companies like ZeroAvia, Sunverge, and Liminal confirm a direct, active-ownership model.

### Which sectors does Ecosystem Integrity Fund explicitly avoid?

EIF's mandate excludes hydrocarbon energy, conventional internal combustion engine vehicle manufacturing, and extractive agriculture. The firm structures its portfolio in opposition to legacy industrial systems that it views as economically and environmentally unsustainable.

### Where does Ecosystem Integrity Fund's capital come from?

EIF has not publicly disclosed its limited partner base. Senior Partner Geoffrey Eisenberg leads fundraising and investor relations, and the firm markets itself to institutional investors seeking sustainability exposure, but specific LP identities and commitment amounts remain private.

### How does EIF source proprietary deal flow?

EIF invests heavily in system-level research to identify market niches before they become crowded. The firm describes its approach as resistant to hype, deliberately charting a course into under-studied pain points where sustainability economics are compelling but venture competition is thin.

## Related profiles

- [Ecosummit](https://altss.com/profile/ecosummit)
- [Ecosystem Investment Partners](https://altss.com/profile/ecosystem-investment-partners)

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Last updated: 2026-06-03T20:00:00.000Z

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