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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.

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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How to reduce the carbon footprint of your marketing mix

Learn more about energy-efficient platforms, eco-friendly materials, and sustainable practices to...

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Double Materiality Under CSRD: Strategic Implementation Guide for 2026

Double materiality represents a paradigm shift in corporate sustainability reporting. Unlike...

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Carbon Reduction vs. Compensation: A Strategic Guide for Companies in 2026

The strategic choice between carbon offsetting and direct emissions reduction has become more...

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Understanding Geo Lift Testing in Marketing: A Comprehensive Guide

This article explains how Geo Lift Testing helps to understand the effectiveness of marketing...

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