Study in Faculty of Forestry Warsaw University of Life Sciences. Work experience from Polish National Remote Sensing Center, Gent University (Belgium), Forest Research Institute (Poland), Eberswalde University (Germany), and General Directorate of the State Forests. Consultant works for FAO, ESA, NASA. Present involvements: • chairman of the Forest Sciences Committee of the Polish Academy of Sciences, • member of the Board of the European Forest Institute and • chairman of the IUFRO 4.02.05 Working Party “Remote sensing”.