Mattia is a partner at Systemiq, where he leads the firm work on sustainable finance. He serves on the Independent High Level Expert Group in Climate Finance and the G20 expert group on the review of climate funds. Before joining Systemiq, he was worked at Autonomy Capital leading the investment strategy on sustainability and carbon markets.. He previously served as Managing Director for Economics, Policy and Governance at the European Bank for Reconstruction and Development, and was formerly Deputy Director General and Chief Economist of the Global Green Growth Institute in South Korea. He worked closely with Lord Nick Stern on the ground-breaking Stern Review, and was a senior expert in sustainability and resource productivity at McKinsey. He started his career at Shell, working in the scenario team. He is also a visiting senior fellow at the London School of Economics.