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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.

Navigating Marketing Strategies During a Crisis

The financial crisis in 2009, the coronavirus pandemic in 2020-2022, the energy crisis in 2022 -...

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Meta Ad Library: Analyzing Competition and Gaining Insights

Following the events surrounding the election of Donald Trump as President of the USA and the...

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Key Strategies for Successful Startup Marketing

As a startup, it is important to have a successful marketing approach right from the start so that...

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Top Marketing Tools for Startups: Boost Efficiency and Growth

Discover the best marketing tools for start-ups to optimize efficiency and automate processes. From...

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Mastering Meta's Conversion API: Guide for better data & performance

Learn how to master Meta's Conversion API: Increase data accuracy and advertising performance. A...

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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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