Ivana Špelić, Ph.D. was born in Croatia in 1982. She received her Master’s degree as the Engineer of Textile Technology in 2009 at University of Zagreb, Faculty of Textile Technology. The same year she became the research associate at the Department of Clothing Technology and finished postgraduate scientific doctoral study Textile Science and Technology in 2016. Her research activities are in the field of textile technology and engineering, clothing technology, energetics, technical thermodynamics, energy management in industry and new and renewable energy sources. Alka Mihelić-Bogdanić, PhD was born in Zagreb and works as full professor at the University of Zagreb, Faculty of Textile Technology. She received her bachelor's degree in the year 1972, her master's degree in the year 1975 and her doctor's degree in the year 1977 from Zagreb University, Faculty of Technology. Her research activities are in the field of chemical engineering, textile technology and energetics. The areas of special research interest are energetics, technical thermodynamics, energy management in industry and new and renewable energy sources. From 1984 to 2000, she has collaborated with the Institute for Thermodynamic at the Technical University Graz and with the Institute for Physics at the Karl Franz University Graz, in the field of alternative energy sources as well as Stirling engine. She has published over 121 scientific papers with international reviews and 13 professional papers. Anica Hursa is Head of the Department of Clothing Technology at University of Zagreb, Faculty of Textile Technology.