Izabela Jonek-Kowalska is a full professor in the Department of Economics and Computer Sciences at the Silesian University of Technology (Poland). For over 20 years, she has been dealing with the economics of business entities, including city management and finances. Her output includes over 300 publications at national and international publishers, as well as many undertakings and projects implemented in cooperation with the business environment. Her scientific interests include economics of business entities, business finance, Smart City, mineral economics, risk management and value management. Radosław Wolniak is a full professor in the Department of Economics and Computer Sciences at the Silesian University of Technology (Poland). For over 20 years, he has been dealing with the issues of quality management, including the quality of life. His achievements include over 500 publications issued at national and international publishers, as well as many undertakings and projects implemented in cooperation with the business environment. His scientific interests include quality management, quality of life, Smart City, Industry 4.0, methods of quality management and the problems of people with disability in public management.