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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.

Implementing ESG Criteria: A Beginner's Guide to Sustainability

Environmental, social, and governance (ESG) factors have become central to modern business...

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10 Growth Marketing Approaches Every Startup Should Know

Growth marketing can provide start-ups with targeted support to help them grow quickly, sustainably...

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Optimizing Landing Pages for Startup Success

Increase the success of start-ups with Conversion Rate Optimization (CRO). Optimize landing pages...

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Using WhatsApp Business Effectively: Costs and Opportunities

Do you want to use WhatsApp Business as a sales channel for your startup or as a communication...

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How to avoid the trap of greenwashing marketing

Learn how to avoid greenwashing in marketing by making accurate and transparent sustainability...

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Branding Essentials for Startups: Building Trust, Loyalty, and Success

It is important for start-ups to develop their brand and branding right from the start, because as...

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