# Greentown Labs

> Greentown Labs is a nonprofit climate and energy startup incubator with campuses in Somerville, Massachusetts, and Houston, Texas. It combines paid lab and office memberships with shared equipment, founder support, investor connections, and corporate collaboration programs, without taking equity for membership.

- **Founded:** 2011
- **Headquarters:** Somerville, United States
- **Founders:** Jason Hanna (Co-founder; founder of Coincident, now Embue), Sam White (Co-founder; co-founder of Promethean Power Systems), Sorin Grama (Co-founder; co-founder of Promethean Power Systems), Jeremy Pitts (Co-founder; founding entrepreneur at OsComp Systems), Adam Rein (Co-founder; co-founder of Altaeros)
- **Products:** Startup membership, Boston campus facilities, Houston campus facilities, Greentown Go, ACCEL
- **Notable:** Current homepage reports 765 startups supported and more than 250 current members., Current official website reports more than $12 billion raised by its startups, more than 16,000 jobs created, and operations in more than 40 countries., Opened its first out-of-state campus in Houston on Earth Day 2021.

## Products & services

- **Startup membership** — Paid office and lab space, shared tools, business resources, founder community, and corporate and investor introductions; membership does not require equity.
- **Boston campus facilities** — Machine shop, electronics lab, prototyping space, tool shop, rooftop testing, and a 26-bench BSL-2 wet lab. Published 2026 rates: $650 per desk/month, $6 per square foot/month for prototyping space, and $3,910 per wet-lab bench/month.
- **Houston campus facilities** — A 30,000-square-foot incubator with prototyping, machine-shop, electronics, and outdoor testing resources. Published 2026 rates: $450 per desk/month and $4 per square foot/month for prototyping space.
- **Greentown Go** — Corporate open-innovation programs across buildings, energy, agriculture, manufacturing, and transportation; Go Make 2026 works with Shell Catalysts & Technologies and Technip Energies on catalytic processes.
- **ACCEL** — Program with Browning the Green Space supporting BIPOC-led and other underrepresented climate founders; the 2025 cohort included eight startups and $25,000 non-dilutive grants per selected team.
- **First Valley Fellowship** — Six months of no-cost coworking membership, mentorship, fundraising support, and in-kind resources for the transition from research to a first prototype.
- **Carbon to Value Initiative** — Carbontech partnership accelerator with NYU Tandon’s Urban Future Lab and Fraunhofer USA.
- **TEX-E** — Student climate and energy entrepreneurship collaboration with Texas universities and MIT’s Martin Trust Center for Entrepreneurship.
- **Investor and business support** — Investor introductions, grant and pitch assistance, legal and software resources, expert office hours, hiring visibility, and manufacturing connections through FORGE.

## Achievements

- Current homepage reports 765 startups supported and more than 250 current members.
- Current official website reports more than $12 billion raised by its startups, more than 16,000 jobs created, and operations in more than 40 countries.
- Opened its first out-of-state campus in Houston on Earth Day 2021.
- Welcomed 22 startups in Q3 2026.

## Latest updates

- **2026-09** — September 28: announced 22 startups joining during Q3, including companies working on geothermal drilling, industrial heat storage, and quantum imaging.
- **2026-09** — Houston Climatetech Summit scheduled for September 16; Boston edition scheduled for October 29, 2026.
- **2026-05** — May 21: announced five startups in Go Make 2026 with Shell Catalysts & Technologies and Technip Energies.
- **2026-04** — April 23: published a five-year retrospective on the Houston campus.
- **2025-02** — February 3: named Georgina Campbell Flatter incoming CEO; current team page confirms she is CEO.

## Links

- Website: https://greentown.org/
- LinkedIn: https://www.linkedin.com/company/greentown-labs/
- Twitter/X: https://twitter.com/GreentownLabs
- Instagram: https://www.instagram.com/greentownlabs/
- Facebook: https://www.facebook.com/GreentownLabs

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Profile page: https://yespress.io/greentown-labs
Published by YesPress — https://yespress.io
Last updated: 2026-10-08