Tor is truly a gifted leader whose counsel and advice is sought out by CEOs of some of the largest and most forward thinking companies in the world.
Grant F. Reid, Chair of SMI Agribusiness Taskforce and former CEO Mars Incorporated 2014 - 2022

ABOUT ME
Acorn is led by Tor Harris, a sustainability expert with over 15 years experience working with some of the world’s leading businesses and not-for-profits on all aspects of ethics and sustainability, particularly in food and farming.
“I found that all too often leaders want to make their businesses better by being more sustainable but the issues are complex, constantly changing and it can be hard to do it well. So I set up Acorn to make doing better easier.”
Honest and pragmatic
strategy development
Straight talking advice
when you need it
An extra pair of hands to
help land your projects
Grant F. Reid, Chair of SMI Agribusiness Taskforce and former CEO Mars Incorporated 2014 - 2022
Rob Collins, Managing Director, Waitrose & Partners 2016-2020
Dame Julia Cleverdon DCVO, Vice President, Business in the Community
Bishop James Jones KBE, Chair, Waitrose CSR Committee, 2013-2019
Natasha Santos, Vice President, Head of Stakeholder Affairs and Strategic Partnerships, Bayer AG
Barry Parkin, Chief Sustainability & Procurement Officer, Mars Incorporated