Aaron is an internationally recognised expert in sustainable water management. He has worked in the UK and Australia across NGO, consulting, industry, academic, regulatory and government roles. This has included projects integrating water and energy efficiency, climate change adaptation and resilience and water sensitive urban design/ integrated water management. He led development of the award winning 2017 Water Efficiency Strategy for the UK and co-authored the 2009 Water Resources Strategy for Wales. He is a Fellow of the RSA, a Trustee of CIWEM and Secretary of the International Water Association Efficient Urban Water Management Specialist Group.