Persefoni
Mesa, US · Delaware corporation · 113 employees on LinkedIn · 8 known investors
Persefoni provides carbon accounting and climate training tools for portfolio company engagement. The platform offers technical support through Persefoni Copilot and educational resources via Persefoni Academy, both included in its Pro subscription for suppliers and portfolio companies.
Founders & leadership
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Kentaro KawamoriCo-founder
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Jason Frederick OffermanCo-founder
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Kim StrohinCo-Founder & Chief Technology OfficerKim Stroh is a computer scientist and mathematician who serves as co-founder and Chief Digital & Information Officer of Persefoni, a SaaS platform for climate disclosure, carbon accounting, and portfolio-company climate training. She previously worked as a product leader at an early SaaS vendor in the records management sector and spent a decade leading development of proprietary applications at a Fortune 500 company, with expertise spanning enterprise architecture, product management, RPA, databases, BPM, and business intelligence.
Board
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Greg LyonsBoard director
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Audrey ConstantBoard director
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Daniel Rice IVBoard director
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Stephen EllisBoard director
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Allison Herren LeeBoard director
Investors · 8
Carnrite VenturesHouston
Energize CapitalChicago · $10M – $20M
Parkway Venture CapitalNew York
Prelude VenturesSan Francisco · $100K – $5M
Rice Investment GroupCarnegie
Clearvision Venturesreported · 2 sourcesMenlo Park · $1M – $25M
Also in the syndicate · 2
NGP Energy Technology PartnersTPG Rise
Funding
SEC filings, press & company announcements$70.5M disclosed across 3 of 5 rounds · 2021–2026
- Undisclosed amountSeries C extensionApr 2025
Clearvision Ventures, NGP Energy Technology Partners, Prelude Ventures, Rice Investment Group, TPG Rise
Source ↗ - Undisclosed amountSeries CMar 2025Source ↗
▶$4.3MraisedMay 2026 · 6 investors · Other TechnologyRule 506(b)
▶$4.3MraisedMay 2026 · 6 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Greg LyonsDirector
- Kentaro KawamoriExecutive Officer, Director
- Daniel AhnDirector
- Allison Herren LeeDirector
- Jason Frederick OffermanExecutive Officer, Director
- Audrey ConstantDirector
- Daniel Rice IVDirector
- Kyle DerhamDirector
- Stephen EllisDirector
- Offering amount
- $4.3M
- Amount sold
- $4.3M
- First sale
- Apr 2026
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$52.7MraisedOct 2023 · 16 investors · Other TechnologyRule 506(b)
▶$52.7MraisedOct 2023 · 16 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Greg LyonsDirector
- Jason OffermanDirector, Executive Officer
- Steve EllisDirector
- Peter BartolinoExecutive Officer
- Kyle DerhamDirector
- Kentaro KawamoriDirector, Executive Officer
- Marc ZennerExecutive Officer
- Daniel AhnDirector
- Allison Herren LeeDirector
- Aaron LiuDirector
- Daniel Rice IVDirector
- Offering amount
- $82.7M
- Amount sold
- $52.7M
- First sale
- Aug 2023
- Incorporated
- Corporation, Delaware, 2020
- Federal exemptions
- 06b
▶$13.5MraisedApr 2021 · 19 investors · Other TechnologyRule 506(b)
▶$13.5MraisedApr 2021 · 19 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Kentaro KawamoriExecutive Officer, Director
- Greg LyonsDirector
- Daniel Rice IVDirector
- Kyle DerhamDirector
- Jason OffermanExecutive Officer, Director
- Offering amount
- $13.5M
- Amount sold
- $13.5M
- First sale
- Apr 2021
- Incorporated
- Corporation, Delaware, 2020
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 6
by search overlapGreenly685 shared keywordsGreenly provides an AI-based platform for carbon accounting, greenhouse gas assessment, product life-cycle analysis (LCA), and ESG compliance reporting. It serves companies from SMEs to large enterprises looking to measure, report, and reduce their carbon footprint and meet climate regulations.
Netezza474 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
Sweep443 shared keywordsSweep builds software that helps large companies and financial institutions manage sustainability and non-financial (ESG) data, track carbon across value chains, and comply with climate disclosure regulations. The company serves enterprises and financial institutions globally.
Arbor338 shared keywordsArbor is a carbon accounting and sustainability reporting platform that automates product-level and Scope 1, 2, and 3 emissions calculations. It generates GHG Protocol-compliant reports to help companies meet regulations such as CSRD, CBAM, SEC, and CDP.
CarbonChain268 shared keywordsCarbonChain provides software for companies and financial institutions to measure and account for greenhouse gas emissions across supply chains, from production to shipping to use of commodities and products.
Carbon Trail218 shared keywordsCarbon Trail provides a carbon accounting and life cycle assessment (LCA) platform for the fashion and retail industry, using AI and API integrations to collect and process primary supply chain data. It measures corporate and product-level environmental impact and supports compliance reporting to standards such as CSRD, AASB, SB253, and Digital Product Passport (DPP).
Companies competing with Persefoni for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Green Technology & Sustainability Market Set for 23.7% CAGR Through 2030, Fueled by AI, IoT & ESG Solutions | Report by MarketsandMarkets™barchart.com · Jul 2026Frequently asked questions
- What does Persefoni do?
- Persefoni provides carbon accounting and climate training tools for portfolio company engagement. The platform offers technical support through Persefoni Copilot and educational resources via Persefoni Academy, both included in its Pro subscription for suppliers and portfolio companies.
- Who founded Persefoni?
- Persefoni was founded by Kentaro Kawamori, Jason Frederick Offerman, Kim Stroh.
- Who are Persefoni's investors?
- Persefoni's investors include Carnrite Ventures, Energize Capital, Parkway Venture Capital, Prelude Ventures, Rice Investment Group, Clearvision Ventures.
- How much funding has Persefoni raised?
- Persefoni has disclosed $70.5M raised across 3 of its 5 known rounds.
- Where is Persefoni headquartered?
- Persefoni is headquartered in Mesa, US.