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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.

PPA Accounting Under IFRS: Practical Guide for Energy Companies [2026]

Master PPA accounting under IFRS 9 + IFRS 16: classification, lease vs. derivative test, fair value rules. Practical guide for energy & finance teams.

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Demystifying ESRS: An introductory Guide to European Sustainability Reporting Standards and CSRD Disclosure Requirements

ESRS demystified: what all 12 EU sustainability reporting standards truly require, which ones apply to your business & how to start implementation.

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The case of Rügenwalder Mühle: Embracing Plant-Based Proteins

How Rügenwalder Mühle moved from sausage manufacturer to plant-based market leader in Germany: Pfeifer & Langen majority, endori alliance, January 2026 EU court ruling, and what ...

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From LCAs to Forward-Looking Impact: A Guide for VCs

From LCAs to forward-looking impact: how VCs can use Project Frame and innovative assessment tools to make better sustainable investment decisions.

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Demystifying the EUDR Regulation: Understanding Its Impact on Commodities and Compliance Requirements

Learn all about the EUDR and its impact on import and compliance requirements. From the duty of care to the penalties for non-compliance.

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Navigating Climate Risk: A Comprehensive Guide to Climate Risk Assessment and Management for Businesses

Climate risk management explained: assess physical and transition risks, apply TCFD frameworks, and run scenario analysis for your business.

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