Circularity Capital Podcast

Welcome to the Circularity Capital Podcast, where we explore the innovations and business models that are enabling the transition to a circular economy. You’ll hear from Circularity Capital partners, company executives, and other experts as we investigate how we can leverage capital and insight to support growth in the circular economy.

 Episode 1: Cutting Food Waste With Artificial Intelligence

In this first episode, host Jamie Butterworth speaks with Dr Liz Goodwin OBE, Senior Fellow and Director of Food Waste and Loss of the World Resource Institute. Liz is behind the Champion 12.3 Initiative which aims to half global food waste by 2030 and Chair of London Waste And Recycling Board which is tasked in supporting London’s goal of becoming carbon neutral by 2050. Liz helps us understand the context of the global food waste challenge.

Circularity Capital Partner Ian Nolan sat down with Marc Zornes, CEO and cofounder of Winnow, an AI based solution which cuts commercial food waste in half through data analysis and object recognition. In this conversation, Marc shares how AI is being used by Winnow to reach their 5 year goal of $1billion of savings for the industry.


  • Food waste in terms of emissions, water and land use

  • Why it is important to solve the problem of food waste

  • Difference in food waste in emerging economy and advanced economy

  • The current context of data enabling within circular economy

  • How did we realise we were wasting up to one third of all the food that we produce

  • “We estimate that in the hospitality industry, the issue of food waste, just in the cost of food is 100-billion-dollar problem.” - Marc Zornes

  • How AI plays a part in Winnow’s solution

  • Why there is a market opportunity to solve food waste in large commercial kitchens

Useful links:

World Resources Institute

Champions 12.3