Harry Greenfield is Senior Land Use Policy Adviser for the Country Land and Business Association (CLA), where he leads on environmental issues, advising members on agri-environment schemes and nature conservation. His areas of expertise include future environmental land management schemes, environmental policy and regulation, natural capital and environmental markets and Biodiversity Net Gain.

Prior to joining the CLA in 2018, he worked for 10 years in a number of roles related to farming and the environment. This included working on agricultural policy for the RSPB; managing the Oxford Real Farming Conference; working in Parliament as Coordinator of the All Party Parliamentary Group on Agroecology and a spell working for the Pasture Fed Livestock Association.