PhD Tadeusz Żaba, head of production at Kraków Waterworks, a researh worker of the Department of Water Supply, Sewerage and Environmental Monitoring at the Faculty of Environmental Engineering of the Cracow University of Technology, president of the Polish Foundation of Trenchless Technology.

prof. dr hab. Eng. Andrzej Kuliczkowski, head of the Department of Sanitary Networks and Installations at the Faculty of Environmental, Geomatic and Energy Engineering at the Kielce University of Technology, Polish Foundation of Trenchless Technology.