The Ecosystem Integrity Fund

Founded in 2010, The Ecosystem Integrity Fund is a venture capital firm based in San Francisco, California. It specializes in early to late-stage investments in companies contributing to environmental sustainability across sectors such as renewable energy, transportation, agriculture, green chemistry, waste management, and more. The fund aims to demonstrate that positive impact on the environment can coexist with outstanding financial returns.

Amanda Bamberger

Vice President

Brandon Blaesser

Senior Associate

Geoffrey Eisenberg

Partner

James Everett

Partner

Sasha Brown

Partner

Sabin Ray

Associate

Jessica Singh

Associate

Sachi Twine

Senior Associate

Seth Udelson

Associate

Devin Whatley

Partner

Past deals in Recycling

Glacier

Series A in 2025
Glacier develops AI-enabled recycling robots for recycling facilities. Founded in 2019 and headquartered in San Francisco, California, the company creates affordable, high-performing, and space-efficient robots that automate the sorting of recyclable materials. Its platform combines artificial intelligence-powered sensors and robotics to streamline operations, improve sorting accuracy, and increase profitability for waste facilities.

For Days

Series A in 2021
For Days is a sustainable apparel company focused on promoting a circular economy by manufacturing and recycling textiles. It offers tees and other clothing on subscription and membership models and operates a take-back program that allows customers to return worn items for recycling, supporting a closed-loop system to reduce textile waste. The company also runs the Trashie rewards platform, which provides incentives for customers to participate in clothing recycling at scale and offers a range of goods beyond apparel, including skincare, home essentials and accessories. Based in Brooklyn and established in 2016, the company aims to reduce environmental impact through comprehensive recycling and reuse of used textiles.
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