Grzegorz focuses his research, policy and project work on integration of economic, fiscal, energy, environmental and climate economics and policy. He has over 25 years of experience in regulatory, energy, environmental and natural resources economics as well as in financial and fiscal instruments across the world’s regions and countries. Currently he is a Lead Economist in the Environment and Natural Resource Global Practice of the World Bank, and previously worked in the EBRD, the OECD, the Krakow University of Economics, the Polish Ministry of Environment, the Harvard Institute for International Development, consulting firms, Polish Radio and TV and as a tram driver. He was the Lead Author of the IPCC 3rd Assessment Report and participated in the design of flexible mechanisms under the Kyoto Protocol. He published extensively and served in the board of an academic journal. He has PhD in economics from the Krakow University of Economics, MSc in natural resource economics from the University College London and MSc in Political Sciences from the Krakow Jagiellonian University.