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Greener Capital Management
Greener Capital Management was founded in 2010 by Charles F. Gailliot, a former energy analyst who brought deep sector fluency to the then-nascent clean-tech...
Greener Capital Management
Greener Capital Management was founded in 2010 by Charles F. Gailliot, a former energy analyst who brought deep sector fluency to the then-nascent clean-tech venture space. Unlike many early-2010s entrants that collapsed after the Solyndra washout, Greener took a restrained, capital-efficient approach — raising Fund I at roughly $20 million and Fund II at approximately $75 million before the market correction forced most generalists out. The firm targets early-stage ventures across the energy transition stack: mobility and transportation, distributed energy resources, advanced materials, and agricultural technology. Portfolio companies disclosed over the years include BrightFarms, the controlled-environment agriculture operator that was acquired by Cox Enterprises for an undisclosed sum in 2021 (per PR Newswire, 2021), and Proterra, the electric bus manufacturer that went public via SPAC at a $1.6 billion valuation before filing for Chapter 11 in 2023 (per Reuters, 2023). Geographically, Greener concentrates on North American companies, typically leading or co-leading seed and Series A rounds alongside a tight circle of climate-focused co-investors. Team size and total deployment remain undisclosed, and the firm operates without a conspicuous digital footprint — no active website or LinkedIn presence was maintained as of mid-2026. The last verifiable fundraising activity dates to the close of Greener Capital Partners II in 2012, which raised $74.7 million (per an SEC Form D filing, 2012). The firm's current investment pace and AUM are not publicly documented, making it one of the quieter post-Fund-II venture platforms still referenced in climate-tech origin stories. Greener's structural distinction lies in its early specialization. It was one of fewer than a dozen dedicated clean-tech venture firms that survived the 2011-2014 industry shakeout without pivoting to software or broader deeptech. By maintaining a pure-play energy and sustainability mandate through the sector's leanest years, the firm's surviving portfolio marks it as a genuine first-mover rather than a momentum entrant — though its present activity level remains opaque to outside observers.
General information
Firm type
Private Equity
Year founded
2010
AUM
Undisclosed
Location
Region
North America
Country
United States
City
San Francisco
Corporate office
San Francisco, CA, United States
Principals
Charles F. Gailliot
Managing Director
Sector focus
Frequently asked questions
Who makes the investment decisions at Greener Capital Management?
Charles F. Gailliot, the firm's founder and Managing Director, has been the central decision-maker since Greener launched in 2010. He previously worked as an energy analyst, developing the sector expertise that shaped the firm's clean-tech focus. The firm has not publicly announced additional investment partners.
Is Greener Capital Management still actively deploying capital?
The firm's last publicly documented fund close was Greener Capital Partners II, which raised approximately $74.7 million in 2012 (per an SEC Form D filing, 2012). No subsequent regulatory filings or public announcements confirm a Fund III or active investment pace since that date. The firm maintained a minimal public presence through mid-2026, leaving its current operational status unverified.
What investment stages does Greener Capital typically target?
Greener focused on early-stage venture capital — predominantly seed and Series A rounds — for companies in the energy transition space. Its disclosed investments include BrightFarms, a controlled-environment agriculture startup that scaled to acquisition, and Proterra, an electric bus manufacturer. The firm led or co-led rounds alongside other clean-tech specialists.
Which sectors does Greener explicitly avoid?
Greener has not published explicit avoidance criteria, but the disclosed portfolio concentrates narrowly on hard-asset energy transition sectors — transportation electrification, distributed energy, advanced materials, and sustainable agriculture. The firm's observable pattern excludes software-only climate solutions, carbon credits, and consumer-facing sustainability brands.
What happened to Greener's portfolio company Proterra?
Proterra, an electric bus manufacturer that counted Greener among its early backers, went public via a SPAC merger in 2021 at a $1.6 billion valuation (per Reuters, 2021). The company subsequently faced operational challenges and filed for Chapter 11 bankruptcy protection in August 2023 (per Reuters, 2023), representing a material outcome in Greener's concentrated portfolio.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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