Leo Johnson specialises in making business sense of sustainability, identifying environmental and social megatrends and the risks and opportunities for business leaders. He is a Business Fellow of the Smith School of Enterprise and Environment at Oxford, and a regular lecturer for Cambridge University's Programme for Sustainability Leadership. He was also the Co-Founder of Sustainable Finance Ltd, now a part of the PricewaterhouseCoopers Group. Leo has hosted the BBC World Show "Down to Business" helping scale up BBC World Challenges ground-breaking small businesses, including Green Gold in the Colombian jungle and biogas from waste in Kenya. He has commented and written guest columns for the BBC, CNN, CNBC, the Financial Times, and Wall Street Journal.