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Johannes Fiegenbaum

Johannes is a sustainability consultant and early-stage climate tech investor. With a background in marketing technology, he now helps companies grow sustainably—whether through ESG strategy, carbon accounting, or positioning for Article 9 VC funds. He regularly writes about corporate decarbonisation, product LCAs, and climate innovation, drawing on hands-on experience with startups, investors, and sustainability leaders across Europe.

ESG APIs: Streamlining Sustainability Data Management and Reporting

In 2025, ESG data API solutions have evolved from simple data access tools to sophisticated...

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EU Taxonomy for Startups: Unlock Sustainable Growth and Green Financing

The EU Taxonomy offers startups clear advantages and opportunities for sustainable growth. It...

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Sustainability and ESG in 2025: Next-Gen Metrics, Technologies, and Compliance

Sustainability in 2025 goes far beyond the CO₂ footprint. Companies must collect more comprehensive

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Why an ESG Strategy is Essential for Startup Success

Why is an ESG Strategy Important for Startups?ESG (Environmental, Social, Governance) is not a...

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EU Taxonomy: Practical Checklist and Guide for Companies

The EU Taxonomy serves as the cornerstone classification system for defining environmentally...

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