Jaakko Nauha was the first interview guest of The Circular Coffee Break back in early 2023. Almost three years later, he returns as the final interview guest of the podcast, now as CEO of Tracegrow.

In this conversation, we look at what has changed since those early days and what building a circular business looks like once initial ideas meet market realities. We discuss Tracegrow’s expansion from recycled battery-based fertilizers into broader industrial side streams, the move into seed treatment, and the development of battery-grade manganese for energy storage and electric vehicles.

The episode explores product market fit in agriculture, the challenges of entering the European battery ecosystem, and the practical work of scaling under regulatory, logistical, and cost constraints.

A reflective closing conversation for the interview series of The Circular Coffee Break.

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