As Group Chief Sustainability Officer Andy Brown works with the Anglian Water's board to oversee the delivery of their purpose, "to bring environmental and social prosperity to the region we serve through our commitment to Love Every Drop". He has worked for over 10 years embedding sustainability & purpose throughout the business, overseeing the development of their six capitals framework and the Purpose Scorecard. He is the sponsor of their Sustainability Centre of Excellence and is working with their Group companies develop their sustainability frameworks.

Having worked in sustainability for the past 20 years he has led in the areas of natural environment, climate change adaptation and now sustainability & purpose. He has worked with BSI to develop PAS 808 Purpose Driven Organisations and now chairs BSI National Group on this subject. He is currently a member of BITC's Place Taskforce and a member of the Regional Leadership Board. He is an external advisor and Chair of Tarmac's Sustainability Panel. In 2021 & 22 he was also appointed as a Visting Fellow of Practice for the Government Outcomes Lab based at the Blavatnik School of Government in the University of Oxford focusing on place-based regeneration and responsible business.