Chair of the Polish Geothermal Society, professor with the Mineral and Energy Economy Research Institute of the Polish Academy of Sciences, Poland. Co-founder and chair of the Polish Geothermal Society. Board member of International Geothermal Association in past terms. Co-organised some editions of IGA Summer Schools on Direct Applications of Geothermal Energy. Member of Steering Committees of 2010, 2015 World Geothermal Congresses; Scientific Committees of European Geothermal Congresses; Member of Steering Committee, ETIP Geothermal.