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Persefoni AI is a carbon accounting and sustainability management platform. It enables businesses and financial institutions to measure and report their carbon footprint with financial-grade accuracy. Utilizing AI, including a proprietary large language model, it provides anomaly detection and technical support, transforming environmental data into audit-ready disclosures for net-zero pathways.
Kentaro Kawamori, Jason Offerman, and Kim Stroh co-founded Persefoni in 2020. Their prior work at Chesapeake Utilities exposed a critical need for standardized, auditable corporate carbon management. This insight fueled the platform's development, directly addressing the increasing demand for robust climate-related financial disclosures.
Persefoni serves businesses and financial institutions for transparent climate reporting. It helps them navigate environmental regulations and stakeholder demands with accurate emissions data. The company empowers enterprises to confidently articulate environmental impact, fostering global decarbonization via standardized, dependable financial reporting and achieving sustainability objectives.
Persefoni AI has raised $186.2M across 5 funding rounds.
Persefoni AI has raised $186.2M in total across 5 funding rounds.
Persefoni AI has raised $186.2M across 5 funding rounds. Most recently, it raised $23.0M Series C Extension in March 2025.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Mar 31, 2025 | $23M Series C Plus | — | — | Announced |
| Aug 1, 2023 | $50M Series C | — | Aleph VC, Alumni Ventures, Amplify Partners, Bascom Ventures, Dimension Capital, Draper Associates, Humba Ventures, Modern Venture Partners, Streamlined Ventures, Susa Ventures, Vzvc, Y Combinator, Alain Hanover, Charlie Songhurst, Erick Miller, Farzad Nazem, IAN Mcnish, Richard Cooperstein | Announced |
| Oct 1, 2021 | $100M Series B | Prelude Ventures | Blackhorn Ventures, Congruent Ventures, Gigascale Capital | Announced |
| Apr 15, 2021 | $9.7M Venture Round | — | — | Announced |
| Aug 18, 2020 | $3.5M Seed | Rice Investment Group | — | Announced |
Persefoni AI has raised $186.2M in total across 5 funding rounds.
Persefoni AI's investors include Aleph VC, Alumni Ventures, Amplify Partners, Bascom Ventures, Dimension Capital, Draper Associates, Humba Ventures, Modern Venture Partners, Streamlined Ventures, Susa Ventures, VZVC, Y Combinator.
Persefoni is an AI-powered carbon accounting and sustainability management software company that provides an enterprise SaaS platform for measuring, managing, and reporting greenhouse gas emissions for businesses and financial institutions, with embedded AI features for data ingestion, anomaly detection, and a GPT-style Copilot for technical carbon accounting support.[6][3]
High‑Level Overview
Origin Story
Core Differentiators
Role in the Broader Tech Landscape
Quick Take & Future Outlook
Quick take: Persefoni is positioned as a leading, AI‑first carbon accounting platform aiming to make emissions measurement a standard enterprise system; its success will hinge on product execution, adoption by regulated industries and financial institutions, and its ability to scale reliable data automation and auditability across complex value chains.[6][2]