InvestorDemea Sustainable Investment is a European venture capital and private equity firm focused on the energy and ecological transition, managing €1.5 billion and completing 240 investments since its founding in 2005.

Fifth Season Ventures was a California-based early-stage venture capital firm focused on environmental impact and circular economy technologies. It is currently inactive, with its domain listed for sale.
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Fifth Season Ventures was an early-stage venture capital firm based in California, dedicated to investing in technologies that promote a circular economy and address plastic pollution. The firm aimed to build a comprehensive portfolio of solutions that could deliver environmental results at a scale and speed not achievable through traditional philanthropy. Historically, it focused on sectors such as biomaterials, waste management, and clean technology. However, as of now, Fifth Season Ventures is no longer active, with its website domain currently for sale and no recent investment activity reported.
The firm primarily invested in early-stage companies that contribute to the circular economy, including sectors such as waste management, biomaterials, and clean technology. Its investment strategy was centered around fostering innovations that enhance sustainability and reduce plastic pollution.
Fifth Season Ventures aimed to add value to its portfolio companies by leveraging its expertise in circular economy technologies and providing strategic guidance to accelerate their growth and impact.
The firm focused on early-stage companies that contribute to the circular economy, particularly in sectors like waste management, biomaterials, and clean technology. They sought innovations that enhance sustainability and reduce plastic pollution.
Currently, Fifth Season Ventures is inactive, and there is no available pitch process or contact information. Historically, the firm would have preferred direct outreach from founders with relevant projects.
Fifth Season Ventures aimed to produce faster environmental results compared to traditional philanthropy and other asset classes. Their focus on the circular economy and sustainability set them apart in the venture capital landscape.
The firm exclusively focused on investments within the United States, targeting startups that align with its mission of promoting environmental sustainability.
Specific check sizes were not disclosed, but the firm primarily invested in early-stage rounds, which typically range from seed funding to Series A.
Fifth Season Ventures aimed to add value to its portfolio companies by leveraging its expertise in circular economy technologies and providing strategic guidance to accelerate their growth and impact.
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