MCJ backs extraordinary founders leading the transition of energy and industry and solving the inevitable impacts of climate change. We discover and invest in startups rewriting industries to be cleaner, more profitable and more resilient.
Key people at MCJ Collective.
Key people at MCJ Collective.
MCJ Collective is a climate-focused venture capital firm dedicated to accelerating the transition to a more resilient and sustainable global economy. Its mission centers on investing in startups that are pioneering solutions to the climate crisis, particularly in the areas of energy transition, climate adaptation, and decarbonization. MCJ Collective’s investment philosophy emphasizes backing early-stage founders with bold, scalable ideas—especially those leveraging technology to address environmental challenges. The firm targets sectors such as clean energy, carbon removal, climate resilience, and sustainable infrastructure, and has built a reputation for supporting companies that can deliver both high impact and strong returns. By fostering a vibrant ecosystem of founders, experts, and investors, MCJ Collective has become a key catalyst in the climate tech startup ecosystem, helping to scale innovations that are critical to addressing the climate emergency.
Founded in 2019 by Jason Jacobs, MCJ Collective began as the My Climate Journey podcast, a platform for exploring climate solutions and connecting with innovators. The podcast’s success revealed a gap in the market for a venture capital firm that could translate climate conversations into actionable investment. This insight led Jacobs and his team—including David Aronoff, Cody Simms, Yin Lu, and Thai Nguyen—to launch MCJ Collective as a formal investment vehicle. Over time, the firm evolved from a community-driven initiative into a leading climate-focused VC, managing over $115 million in assets and backing more than 80 startups. Its roots in community engagement and thought leadership continue to shape its approach, distinguishing it from traditional venture capital firms.
MCJ Collective is riding the wave of increasing urgency around climate action and the rapid growth of climate tech. The timing is critical: as governments, corporations, and consumers demand more sustainable solutions, the market for climate innovation is expanding rapidly. MCJ Collective’s focus on early-stage startups positions it at the forefront of this trend, enabling it to identify and scale breakthrough technologies before they reach mainstream adoption. The firm’s influence extends beyond its portfolio, as it helps shape the broader ecosystem by fostering collaboration, sharing knowledge, and advocating for climate resilience. By supporting companies that are redefining industries—from energy to infrastructure—MCJ Collective is helping to build a more sustainable future.
MCJ Collective is poised to play an even greater role in the climate tech landscape as the urgency of climate action intensifies. The firm’s latest fund, targeting $125 million, signals its commitment to scaling its impact and backing the next generation of climate innovators. As climate tech continues to attract investment and attention, MCJ Collective’s community-driven approach and deep sector expertise will likely make it a go-to partner for founders and investors alike. The firm’s influence is expected to grow, not just through its investments but also through its ability to connect and empower a global network of climate leaders. In a world where climate resilience is no longer optional, MCJ Collective is helping to ensure that the most promising solutions get the support they need to thrive.
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| May 1, 2023 | Twirl | $2.0M Seed | — | Benchmark, Cocoa, Cota Capital, Creandum, La Famiglia, Lowercarbon Capital, Scale Asia Ventures, Vintage Investment Partners, Visionaries Club, Y Combinator, Lukas Brosseder, Mario Götze, Nico Rosberg, Robert Maier |
| Jan 1, 2023 | Living Carbon | $21.0M Series A | — | Alumni Ventures, Benchmark, Creandum, GE Ventures, Lowercarbon Capital, VoLo Earth Ventures, Y Combinator |
| Mar 1, 2021 | Enode | $2.0M Seed | — | Benchmark, Creandum, Lowercarbon Capital, Y Combinator |
