David has been Chair of The Institute for Agriculture and Horticulture (TIAH), the new professional body for farming and growing, since 2021. He was President of the CLA between (2005-2007) and a Commissioner of the Crown Estate (2008-2017). He chaired the Government’s ‘Future of Farming’ review (2013) and became Chairman of Dyson Farming in 2014. In 2017 he became a Food, Farming and Countryside Commissioner. He has been actively involved in his family’s mixed farming, landowning and tourism business in Devon since the 1980s.