Dr inż. Andrzej Kolonko, Politechnika Wrocławska
Wrocław University of Science and Technology graduate. He specializes in the urban infrastructure and actively promotes modern trenchless technologies. For many years he has been the organizing secretary of the international science and technology conference. “Underground infrastructure of cities”. Wrocław University of Technology academic teacher and researcher. He cooperates with foreign scientific centres and companies. He is the author and co-author of numerous publications in national and international magazines including: “Constructions of Sewerage Ducts”, “Microtunneling” and “Renovation of water pipes by cementing”. In addition, he is the author and the co-author of three patents and a utility model.