Tristram Stuart is an international award-winning author, speaker, campaigner and expert on the environmental and social impacts of food waste. His books have been described as "a genuinely revelatory contribution to the history of human ideas” (The Times) and his TED talk has been watched over a million times. The environmental campaigning organisation he founded, Feedback, has spread its work into dozens of countries worldwide to change society's attitude towards wasting food.

He is also the founder of Toast Ale, a beer launched in the UK in 2016 that is made using fresh, surplus bread.