Jeff Green

Founder & CEO at Fluxnium

📍 Santa Monica, California, United States🔄 Updated October 2026💼 6 investments📅 9 years investing🗓 Last invested Mar 2023
Operator-angel🌍 United States
6
Total investments
3
Early stage
0
Mid stage
1
Late stage
9y
Years active

Portfolio

5 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Board Member and Investor
Jan 2022
Carbon Ridge (“CR”) is a United States based developer of carbon capture & storage solutions for the Maritime industry. CRs Onboard Carbon Capture & Storage (“OCCS”) solution provides a low-cost and near-term solution to significantly reduce the intensity of carbon dioxide (CO2) and other greenhouse gases (GHGs) onboard large maritime vessels.
Board Member
Jan 2022
By design, Avnos is the world’s best shot to get to gigaton scale of carbon dioxide removal from direct air capture. We are a driven team of scientists, engineers and technical operators working together to solve one of the most fascinating and impactful problems the world has to solve: removing legacy carbon emissions in service of cooling the planet. We know that innovation requires creativity and courage and we give our people ownership to follow their curiosity to a solution. We work fast and collaboratively, learning from each other as we create answers to climate’s most pressing questions. Avnos is a place where you can see the impact of your work in the real world.
Founder & Board Member
Dec 2017
C4-MCP, LLC, a wholly-owned subsidiary of Rusheen Capital Management, LLC, has partnered with the U.S. Department of Energy, Pacific Northwest National Laboratory and SouthernCaliforniaGas Company to develop clean, low-cost hydrogen production technology that also creates valuable solid-carbon byproduct. As part of the DOE's H2@Scale research program, C4-MCP is a key part of catalyzing the emerging clean-hydrogen economy.
Investor
Feb 2017
Carbon Engineering (CE) is a Canadian-based clean energy company leading the commercialization of groundbreaking technology that captures CO₂ directly from air, and a second technology that synthesizes it into clean, affordable transportation fuels. For job postings visit carbonengineering.com/careers
Experience · 12 entries
All (12)
Investments (5)
Founder (7)
Board (4)
2026
Founder & CEO
Jan 2026
2023
Board Member
Mar 2023
PermianLide is the largest U.S. manufacturer of above-ground storage tanks and processing equipment for the oil and natural gas exploration and production companies. PermianLide has more than 35 years of operating experience, with two well-known industry brands; Permian Tank & Manufacturing and Lide Industries. PermianLide not only manufactures a variety of wellsite related processing equipment, but also walkways and stairways used at wellsites.
2022
Board Member and Investor
Jan 2022
Carbon Ridge (“CR”) is a United States based developer of carbon capture & storage solutions for the Maritime industry. CRs Onboard Carbon Capture & Storage (“OCCS”) solution provides a low-cost and near-term solution to significantly reduce the intensity of carbon dioxide (CO2) and other greenhouse gases (GHGs) onboard large maritime vessels.
Board Member
Jan 2022
By design, Avnos is the world’s best shot to get to gigaton scale of carbon dioxide removal from direct air capture. We are a driven team of scientists, engineers and technical operators working together to solve one of the most fascinating and impactful problems the world has to solve: removing legacy carbon emissions in service of cooling the planet. We know that innovation requires creativity and courage and we give our people ownership to follow their curiosity to a solution. We work fast and collaboratively, learning from each other as we create answers to climate’s most pressing questions. Avnos is a place where you can see the impact of your work in the real world.
Show all 12 entries ↓
Investment activity
2017–2023 · 6 investments
201722022220232
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