Zbigniew Humienny Ph.D., D.Sc. works at the Institute of Machine Design Fundamentals, at the Faculty of Automotive and Construction Machinery Engineering, Warsaw University of Technology (WUT), Poland. He has published as author or co-author over 150 papers in scientific journals and conference proceedings. In 1998 he was nominated as an expert of the Polish Committee for Standardization in the Technical Committee ISO/TC 213 “Dimensional and geometrical product specifications and verification”. He is Chairman of the Technical Committee TC 48 “Machine Design Fundamentals” of the Polish Committee for Standardization. He was the project contractor and coordinator of a European Commission grant within the Leonardo da Vinci programme and head of the WUT team in the European Erasmus+ programme project. He conducts research in the field of dimensional and geometrical tolerancing and geometrical tolerancing verification. He closely cooperates with industry and has conducted a number of vocational trainings dealing with geometrical tolerancing, mainly in the automotive, aviation and defence industries.