Food for thought: Building a tech 4 good movement

Here's Tessa Clarke, Co-founder & CEO of food sharing app OLIO, and her awesome presentation at the inaugural Attest Brand Growth Summit in London.

Bel BookerSenior Content Writer
Last updated on 2 May 2026 1 min read

Tessa shares the OLIO journey from a proof of concept via Whatsapp, to a global movement of over 6 million users. She also shares her experience of building a modern sustainability brand combining profit with purpose, and how to harness a community driven model of growth.

Watch more insights and stories from top brands at the Brand Growth Summit.

Bel Booker Senior Content Writer
Bel draws on a background in newspaper and magazine journalism in her role at Attest, where she’s spent the past seven years uncovering consumer trends and writing in-depth research reports. She’s passionate about finding the story in the data and sharing insights that help shape brand strategy.
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