John is Executive Director of the International Geosynthetics Society, promoting innovative materials for sustainable outcomes in civil engineering. He is also founder of Net Zero Directors, advising organisations on their climate change strategies. Previous roles include Head of Sustainable Urbanisationand Director External Affairs at RICS, whereheled RICS’ international research and sustainability programmes, and the establishment of the award-winning World Built Environment Forum.Prior to joining RICS, Johnserved as a senior UK diplomat, completing substantive postings to several European capitals,with a focus on multilateral issues including climate change.