Zbigniew Karaszewski, D.Sc., Eng., is a forestry professional who obtained his academic degrees from Poznań University of Life Sciences (PULS), Poland. He has extensive professional experience in the Polish State Forests, where he held both field-based and engineering positions at the forest district level. He was formerly affiliated with the Wood Technology Institute and currently works at the Łukasiewicz Research Network – Poznań Institute of Technology. He is a co-founder and CEO of Onliwood, the largest Polish online marketplace for timber originating from sources outside of the State Forests. He also serves as Vice-Chair of the Committee on Wood Science and Technology of the Polish Academy of Sciences.