Leo specializes in the integration of sustainability into business strategies, with a focus on identifying environmental and social megatrends and their implications for business leaders. He has a strong background in this field, having authored two influential publications: "Beyond Risk: Sustainability and the Emerging Markets Financial Sector" for the International Finance Corporation (IFC), and "The Future of Finance: Sustainable Banking and the Banco Real Model," which was included in the INSEAD collection of essays on best practices in sustainable banking. Leo's expertise extends beyond his written work. He has also appeared as a presenter on the BBC World program, "Down to Business," where he has shared his insights on sustainable business practices. Additionally, Leo is actively involved in BBC World Challenges, an initiative that supports innovative small businesses, including projects such as Green Gold in the Colombian jungle and Biogas from waste in Kenya. Leo's contributions to the field of sustainability have earned him recognition from various media outlets. He has provided expert commentary and written guest columns for esteemed publications such as the BBC, CNN, CNBC, Financial Times, and the Wall Street Journal. Overall, Leo's extensive knowledge and experience in sustainability make him a trusted authority in the business world.