Eleni Andreadis was born in London. She earned her Masters at Harvard University, focusing there on environmental policy and media, and has consulted on sustainability issues for various companies and media organisations in the UK, US and Greece. She is the Executive ESG Director at Sani/Ikos Group and the award-winning Sani Green and Ikos Green programmes. Sani Resort is the first carbon neutral resort in Greece, powered by 100% renewable electricity, and was awarded the World’s Leading Luxury Green Resort at the World Travel Awards 2020, 2021 and 2022, while Ikos Resorts is also carbon neutral and has won international praise for its sustainability initiatives, including its zero-waste programme at Ikos Dassia in Corfu. Eleni is also the author of ten environmental children’s books, including the best-selling Planet Agents book series, which has won the State Award for Children's Knowledge Book in Greece. The rights to her books have been sold in numerous countries around the world, such as the US, China, Korea, Turkey, Egypt and the Middle East. Eleni is the founder of the non-profit children’s educational organisation Planet Agents and a member of the Greek Leadership Council of the United Nations Sustainable Development Solutions Network. For her work in the intersection of sustainability and tourism, she received the Sustainability Hero of the Year award at the London 2021 TTG Awards.