David is an independent member of the Palisade Real Assets Investment Committee.

David is CEO of DAH Renewable Consulting Ltd which is specialised in the renewable gas space alongside expertise on Biogenic Carbon Dioxide.

He fulfills voluntary roles with a number of trade associations including being Chair or the Renewable Energy Association’s Green Gas Forum; on the Advisory Board of the Anaerobic Digestion and Bioresource Association ; and the Council of the British Compressed Gas Association. Alongside this he is a Volunteer Ambassador for Dementia UK.

David spent 25 years working for Air Liquide in a variety of leadership roles; with the last seven including heading the Biogas team in the UK which grew to be the groups largest entity in this sector.

David has an M (Hons) in Chemical Engineering from Imperial College, London.