ION Clean Energy
Boulder, US · Founded 2018 · Delaware corporation · 44 employees on LinkedIn
ION Clean Energy develops post-combustion carbon capture systems for natural gas and biomass power generation, enabling clean, firm ("Blue Power") energy and CO₂ removal credits. It targets operators serving growing power demand from data centers and AI infrastructure seeking to meet decarbonization goals.
Founders & leadership
ION Clean Energy was founded in 2018 by Buz Brown.
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Buz BrowninFounder & Executive Chairman
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Tim VailChief Executive Officer
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Steve HirshPresident & CFO
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Ben GurtlerChief Operating Officer
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Jenn AtchesonSVP, Product
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Alice ChebabiSVP, Corporate Development & Finance
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Andrew AwtrySVP, Engineering
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ALFRED BROWNNamed on SEC filing
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ERIK MEULEMANNamed on SEC filing
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PAUL TUFANONamed on SEC filing
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MARTIN WENZELNamed on SEC filing
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HERBERT SEARSNamed on SEC filing
Reported raises · per SEC filings
Form D private placements$70.7M disclosed across 2 of 3 rounds · 2019–2024
▶$70MraisedApr 2024 · 6 investors · Environmental ServicesRule 506(b)
▶$70MraisedApr 2024 · 6 investors · Environmental Services
Rule 506(b)Officers, directors & promoters on the filing
- Alfred BrownDirector
- Manjae HanDirector
- Timothy VailExecutive Officer, Director
- Paul TufanoExecutive Officer
- Offering amount
- $85M
- Amount sold
- $70M
- Sales commissions
- $3.5M
- First sale
- Mar 2024
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$3.8MofferedJun 2019 · Environmental Services
▶$3.8MofferedJun 2019 · Environmental Services
Officers, directors & promoters on the filing
- MARTIN WENZELDirector
- PAUL TUFANOExecutive Officer, Director
- ERIK MEULEMANExecutive Officer
- ALFRED BROWNExecutive Officer, Director
- HERBERT SEARSDirector
- Offering amount
- $3.8M
- Minimum investment
- $50K
- Proceeds to insiders
- $20K
- Incorporated
- Corporation, Colorado, 2018
- Federal exemptions
- 4a5
▶$652.1KraisedMay 2019 · 19 investors · Environmental ServicesRule 506(b)
▶$652.1KraisedMay 2019 · 19 investors · Environmental Services
Rule 506(b)Officers, directors & promoters on the filing
- ALFRED BROWNExecutive Officer, Director
- ERIK MEULEMANExecutive Officer
- PAUL TUFANOExecutive Officer, Director
- MARTIN WENZELDirector
- HERBERT SEARSDirector
- Offering amount
- $652.1K
- Amount sold
- $652.1K
- Minimum investment
- $1K
- Proceeds to insiders
- $20K
- First sale
- May 2019
- Incorporated
- Corporation, Colorado, 2018
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 5
by search overlap
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Ion Storage Systems10 shared keywordsION Storage Systems develops solid-state battery technology, including its Cornerstone cell, and ships samples to consumer electronics manufacturers. It is a U.S.-based company in the energy storage and battery materials sector.
Clean Energy Fuels10 shared keywordsClean Energy Fuels supplies renewable natural gas fuel for transportation, targeting vehicle fleets across the United States. It operates in the clean transportation and alternative fuels sector.
On9 shared keywordsON.energy builds grid-safe, resilient energy infrastructure systems that integrate with existing power grids and support hospitals, data centers, and cities. The company focuses on making energy reliable, clean, abundant and affordable through AI-driven infrastructure solutions.
Eion Carbon9 shared keywordsEion provides enhanced rock weathering carbon removal, using a patented direct measurement approach with before-and-after soil sampling to track carbon removal and soil health across American heartland farmland. It sells permanent carbon removal credits to buyers such as Stripe, serving companies pursuing net zero goals.
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Frequently asked questions
- What does ION Clean Energy do?
- ION Clean Energy develops post-combustion carbon capture systems for natural gas and biomass power generation, enabling clean, firm ("Blue Power") energy and CO₂ removal credits. It targets operators serving growing power demand from data centers and AI infrastructure seeking to meet decarbonization goals.
- Who founded ION Clean Energy?
- ION Clean Energy was founded by Buz Brown in 2018.
- How much funding has ION Clean Energy raised?
- ION Clean Energy has disclosed $70.7M raised across 2 of its 3 known rounds.
- Where is ION Clean Energy headquartered?
- ION Clean Energy is headquartered in Boulder, US.