Jimmy Wales
Co-Founder & Former Chair of Wikipedia | Internet Entrepreneur & Free Knowledge Advocate | Open Web Pioneer
Founding CEO of the Bezos Earth Fund | Former CEO of the World Resources Institute | Distinguished Professor at Georgetown & LSE | Global Climate & Sustainability Leader
Sir Andrew Steer is one of the world's foremost leaders on climate and sustainable development. As founding CEO of the Bezos Earth Fund, he directed the largest philanthropy for climate and nature, and previously led the World Resources Institute and held senior roles at the World Bank and in UK government. Knighted in 2024 and named by Forbes among the world's top climate leaders, he offers a rare, insider's vision for a sustainable future.
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Sustainability speaker Sir Andrew Steer is one of the world’s most influential voices on climate change, sustainable development, and the economics of a greener future. An economist by training and a practitioner at the highest levels of global institutions, he has spent his career proving that environmental progress and economic prosperity are not opposing forces but can, and must, go hand in hand. Few people have shaped the global response to climate and nature as directly, or from as many vantage points, as he has.
Steer served as the founding president and CEO of the Bezos Earth Fund, the ten-billion-dollar philanthropy, the largest of its kind, dedicated to fighting climate change and protecting nature, where he oversaw transformational investments in decarbonization, food and agriculture, nature protection, and green finance. Before that, he led the World Resources Institute for nearly a decade, growing it into the world’s foremost think-and-do tank on sustainable development, and he served as the World Bank’s Special Envoy for Climate Change and as Director General of the UK’s Department for International Development.
A globally recognized economist who holds a PhD from Cambridge, Steer has advised governments, corporations, and financial institutions, including HSBC, Bank of America, and IKEA, on green finance and decarbonization. In 2024 he was knighted for his contribution as one of the world’s best-known leaders in sustainable development economics, and named by Forbes among the 50 most impactful climate leaders. Today he is Distinguished Professor of Practice in Economics and Sustainability at Georgetown University and the London School of Economics, and Chair of the Royal Botanic Gardens, Kew, building on the work he led at the World Resources Institute and beyond.
As a speaker, Sir Andrew Steer is authoritative, optimistic, and deeply practical, translating the world’s most complex environmental and economic challenges into clear, actionable insight. He speaks on the climate and nature crisis and the opportunities it creates, green finance and the economics of the transition, corporate sustainability and decarbonization, and how business and government can build a prosperous future within planetary boundaries. Audiences leave with a clear-eyed yet hopeful understanding of one of the defining challenges of our time, and of the practical paths forward.
Drawing on his experience leading the world's largest climate and nature philanthropy, Sir Andrew Steer offers audiences an authoritative, clear-eyed assessment of where the planet stands, and why he remains fundamentally optimistic. He explains the science and the stakes without alarmism, and reveals the extraordinary economic opportunities emerging from the transition to a low-carbon, nature-positive world. A galvanizing keynote that reframes climate action as one of the greatest growth and innovation stories of our time.
Trained as an economist and a veteran adviser to banks, corporations, and governments, Steer is one of the world's leading authorities on how capital can drive, or block, the climate transition. He explores green finance, carbon markets, sustainable investment, and the trillions in capital that must be mobilized, and shows leaders how to align profitability with decarbonization. Essential insight for financial institutions, investors, and any organization navigating the economics of sustainability.
Having advised some of the world's largest companies, Steer knows what real corporate sustainability looks like, and what merely performative efforts look like. In this keynote he helps business leaders cut through the complexity: how to set credible net-zero strategies, decarbonize operations and supply chains, turn sustainability into competitive advantage, and lead through shifting regulation and expectations. A pragmatic, board-level view of the defining business challenge of the decade.
Steer's life's work rests on a powerful idea: that economic progress and environmental sustainability are not in conflict, but that lasting prosperity must be pursued within the planet's natural limits. In this big-picture keynote, he brings together economics, development, and environmental science to sketch a hopeful, achievable vision of a world that is both prosperous and sustainable, and the choices leaders in business and government must make to get there.
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