Nick Silver is an actuary and economist whose expertise includes pensions and insurance, risk management and sustainable finance, in particular working in developing economies. He is managing director of Callund Consulting Limited which for 40 years has advised governments on pensions, social protection and developing capital markets. Nick is a founder and director of Climate Bonds, which works with governments and investors to develop the green bond market. He has advised the UN, UK and EU on the carbon markets, climate finance in developing countries and managing risk from climate change. Nick is also a founder and director of Radix, the think tank of the radical centre. Nick is a visiting fellow at the London School of Economics and Cass Business School, UK, and lectures at Trinity College Dublin, Ireland, and City University, London, UK. Nick is a freeman of the City of London and was recently a member of council of the Institute and Faculty of Actuaries. Nick has authoreda number of papers and articles and has been widely quoted in the national media on topics related to sustainable finance, pensions and government debt.