 The 25th edition of ICSEng will be held in Las Vegas, USA.In 1973 a group of young scientists from Wroclaw University of Technology led by Professor Zdzislaw Bubnicki invited scientists from around the world in order to exchange ideas of modern problems of systems science and engineering.The first International Conference "Systems Science" was held in the European city of Wroclaw, Poland (with some sessions organized in nearby town Szklarska Poręba).