Roman Andrzej Lewandowski is an Assistant Professor at the University of Warmia and Mazury in Olsztyn, Faculty of Economics, Institute of Management and Quality Science and director of Voivodesship Rehabilitation Hospital for Children in Ameryka, Olsztynek, Poland. With his primary research interests in management control in healthcare, performance management systems, person-centered care implementation, trust, hybridity, and quality, Roman combines his extensive real-world management experience with academic expertise to explain fundamental management and control theories, concepts, methods, and tools, and how to apply them in healthcare organizations.

Roman has published over 60 studies, including two books on management control, and is a recognized expert in his field. He has contributed to several international projects, including the COST Action IS0903: Enhancing the role of medicine in the management of European health systems - implications for control, innovation, and user voice; the COST Action TD1405: European Network for the Joint Evaluation of Connected Health Technologies (ENJECT); and the Polish National Science Centre project: The model, the typology and methods of measurement of control systems in public hospitals - where he served as the Principal Investigator. He was involved in the Artificial Intelligence, Enhanced Person Centred Care in Neurosurgery project, which was financed by the Ministry of Health of Montenegro. Roman has also served as Vice Chair for the European Network for cost containment and improved quality of health care (COST Action CA15222) and is a member of the governing council of the Polish Federation of Hospitals, which is part of the European Hospital & Healthcare Federation (HOPE).

Overall, Roman is a researcher and expert in his field, with a passion for improving healthcare systems and patient outcomes through his research, teaching, and involvement in international projects and organizations.

1. THE ESSENCE AND NATURE OF HOSPITALS AND THEIR ENVIRONMENT 2. CONTROL IN MANAGEMENT SCIENCES 3. MAIN ELEMENTS OF THE MANAGEMENT CONTROL MODEL 4. RESEARCH METHODS 5. RESULTS OF QUALITATIVE RESEARCH ON MANAGEMENT CONTROL IN HOSPITALS 6. STRUCTURAL MODELING OF MANAGEMENT CONTROL IN HOSPITALS 7. DISCUSSION OF RESEARCH RESULTS