How to change the world - Starting with a chocolate bar

At Techarena ZERO in October 2025, business leaders, experts, and political decision-makers came together to explore how technology, innovation, and new business models can accelerate the transition toward a sustainable society.

Teun van de Keuken, founder of Tony’s Chocolonely, shares the journey of building a purpose-driven company — and why he believes business can be a powerful force for creating a better world, one chocolate bar at a time.