Loading organizations...
Key people at MUUS Climate Partners.
MUUS Climate Partners operates as the dedicated climate investment arm of MUUS & Company, focusing on deploying capital across the decarbonization and industrial efficiency sectors. The firm targets technologies at the intersection of innovation and climate mitigation, particularly those demonstrating significant potential for carbon reduction. Their investment approach spans both advanced software and hardware solutions designed to enhance fundamental industrial, digital, and physical capabilities while addressing environmental challenges.
The firm's roots trace back to Michael Sonnenfeldt, Founder and Chairman of MUUS, whose family has committed philanthropic and investment capital to climate initiatives for over three decades. Sonnenfeldt was an early pioneer in renewable energy investments in the 1980s, co-founding solar lighting companies. Driven by escalating concerns regarding climate change, MUUS formally established its dedicated climate practice in 2016, building upon a long-standing commitment to environmental stewardship and leveraging extensive experience in sustainable ventures.
MUUS Climate Partners supports a diverse portfolio of companies developing solutions for decarbonization across various industries. These include innovators in utility-scale solar and storage, wave-energy technology, engineered wood, and EV charging management, among others. The firm's overarching vision is to accelerate the transition to sustainable practices and technologies, generating both financial returns and meaningful environmental impact, thereby preserving a livable climate and fostering a productive economy and stable society for the future.
Key people at MUUS Climate Partners.
MUUS Climate Partners has 5 tracked investments across 5 companies. The latest tracked deal is $15.0M Series A in InventWood in May 2025.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| May 12, 2025 | InventWood | $15.0M Series A | Grantham Foundation | Baruch Future Ventures, Builders VC |
| Feb 1, 2024 | Rock Rabbit | $3.0M Seed | Powerhouse Ventures | Motivate Ventures, National Grid Partners, Alex Ferber, Paolo Boero, Lisa Lambert, Richard Lowenthal, Sudhakar Kesavan, TOM Werner, Better Ventures, Kailua Ventures |
| Aug 3, 2023 | Niricson | $7.5M Series A | Muus Climate Partners | Bentley Systems, Forward VC, Invest Victoria, Techstars |
| Mar 28, 2023 | NxLite | $4.0M Seed | Energy Foundry | ACT Venture Partners, Creative Ventures, NEW Climate Ventures, Vectors Capital, Vertuelab |
| Nov 30, 2022 | RailVision Analytics | $4.1M Seed | Reilly Brennan | Neil Murdoch, Mike Winterfield, Blackhorn Ventures, Incite, Measured Ventures |