Prof. Wojciech Cellary participated in the Grand Gala of World Telecommunication and Information Society Day, organized by the Association of Polish Electrical Engineers and the Polish Information Processing Society. In 2016 the event was focused on the theme: “ICT entrepreneurship for social impact”, in accordance with Resolution 68 and as endorsed by International Telecommunication Union Council 2015. This year the Grand Gala of the World Telecommunication and Information Society Day was combined with the celebrations of the 35th anniversary of the Polish Information Processing Society which has initiated IT events in Poland for many years.