E. Freya Williams is a leading authority on sustainable business strategy and the author of Green Giants. With over 20 years of experience, she has advised Fortune 500 companies like Google, Unilever, and Target on converting sustainability into competitive advantage. Formerly the CEO of Futerra North America and co-founder of OgilvyEarth, she is currently the Chief Strategy Officer at Revolt, where she helps brands drive growth through social impact.