Honorary Committee Jubilee 85th anniversary of the IBL
Minister of the Environment
Minister of Science and Higher Education
Chairman of the council of provosts of the Division Two: Biological and Agricultural Sciences of Polish Academy of Sciences
The Priest of Foresters
General Director of the State Forests
Chairman of the Main Board of the Polish Forest Society
Chairman of the Association of Foresters and Wood Technologists
President of the International Union of Forest Research Organizations (IUFRO)
Director of the European Forest Institute (EFI)
Director of the Department of Forestry in the Food and Agriculture Organization of the United Nations (UN/FAO)