Member of Mayor of Słupsk's Sustainable Development Council, Progressive Cities Network Co-ordinator, Senior Expert of Horizon 2020 SCORE Project (Supporting Consumer Ownership in Renewable Energies), economist, expert on sustainable development (SD). Head of Green Institute’s Programme Council. Former adviser to the Minister of the Environment, Greens in the European Parliament, Greenpeace, WWF, IUCN, World Bank. 2004-11 co-chair of Green Party. Słupsk Mayor's Adviser for Foreign Affairs. Author of publications on green politics and SD.