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Top 2026 CleanTech Early Stage Investors in United States

Discover the top 533 cleantech early stage investors in United States based on their portfolio. Get their email and LinkedIn info, or an intro.

533
Investors
304
With email
57%
Email rate
Sep 2026
Last updated

Investor search results

543 investors found
🌍 United States📊 early stage🏷 CleanTech
Edward Lando
Edward Lando
Making things real
Early stage138 investments 📍 United States
138
investments
Alexander Clarence McIntosh
Alexander Clarence McIntosh
Investor,Assistant Department Customer Service Manager RENTBERRY Board Advisor
Mid stage89 investments 📍 United States
89
investments
Sharjeel Hasan
Sharjeel Hasan
Investor, Entrepreneur, Advisor
Early stage79 investments 📍 United States
79
investments
David Langer
David Langer
Founder & Managing Partner at Lionheart Ventures
Early stage71 investments 📍 United States
71
investments
Ryan Gembala
Ryan Gembala
Hardware Investor | Managing Partner & Founder @ Pathbreaker Ventures
Early stage66 investments 📍 United States
66
investments
SS
Suyash S.
Business Leader | Angel Investor | Board Member
Early stage66 investments 📍 United States
66
investments
Lawrence H.
Lawrence H.
Cofounding CSO, Helixe | 4x Founder, 1x Exit | Eagle Scout
Early stage61 investments 📍 United States
61
investments
Philippe Suchet
Philippe Suchet
Partner at Spider Capital & Multi-Stage Angel Investor | Serial Entrepreneur, ex-BCG | Backing & Advising A-Teams Building Enterprise Software
Early stage54 investments 📍 United States
54
investments
Calvin Chin
Calvin Chin
Managing Partner E14 Fund | Affiliate at MIT
Early stage54 investments 📍 United States
54
investments
Scott Kosch
Scott Kosch
Mentor to CEOs | Advisor to PE & VC Firms | Author of “Indispensable: A Student’s Guide for Thriving in the Age of AI” and The AI-Ready Student Newsletter | Co-Author of Capital Intelligence Newsletter | Private Investor
Early stage51 investments 📍 United States
51
investments

Frequently asked questions about CleanTech investors in United States

How many CleanTech early-stage investors are there in United States?
Gritt tracks 533 CleanTech early-stage investors in United States, of which 304 (57%) have a direct email address available.
How can I contact CleanTech investors in United States?
Gritt provides direct email addresses for 57% of investors in this list. Once you have an account, you can export the list or use Gritt AI outreach to draft personalised emails that you review and approve, then send from your Gmail.
Are these investors actively investing in United States startups?
Yes — Gritt ranks investors by their investment activity. The investors at the top of this list have made the most investments in CleanTech companies and are most likely to be actively seeking new deals.
Can I filter by investment stage or industry?
Yes — use the filters on the left to narrow by investment stage (early, mid, late) or industry. You can also filter by last active date to focus on investors who have made deals recently.
Can I export this list of CleanTech investors in United States?
Yes — paid Gritt accounts can export any filtered investor list as a CSV, including names, email addresses, LinkedIn profiles and investment counts.

Contact all 533 CleanTech early-stage investors

Gritt drafts a personalised AI email for each — written from your pitch; you approve each one, then it sends from your Gmail.

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