Giles is Chief Executive Officer of Surfers Against Sewage, one of the UK’s most successful marine conservation and campaigning charities. Originally a lawyer in the City of London, Giles has more than 20 years’ experience around the world in commercial, entrepreneurial, community and NGO environments in the energy, food, and ocean systems.

Previously the interim CEO and Director of Programmes at Ashden, a charitable trust that showcases outstanding climate solutions to accelerate systemic change and before that, Gilles was Director of Programmes at Forum for the Future, with responsibility for its systems change work. Giles has also been CEO of Pure Leapfrog, evolving new products, services and business models predicated on community ownership structures and that promoting sustainability and decarbonisation.

Giles is a committed RNLI crew member, enthusiastic sea swimmer, surfer, wing-foiler, and sailor.