Henry worked as a management consultant before co-founding, with John Vincent, Leon restaurants, the Sustainable Restaurants Association in 2009, and The London Union, which controls some of London’s biggest street food markets.
In 2013, Dimbleby and John Vincent were invited to write a report on school meals. The pair instead created a collaboration and co-authored the Government backed School Food Plan, which set out to transform what children eat in schools and how they learn about food.
He was appointed lead non-executive board member of the Department for Environment, Food and Rural Affairs in March 2018. He is the son of veteran BBC broadcaster David Dimbleby.