Jiří Křupka, Assoc. Prof., MSc., PhD. was born in Prostějov (Czech Republic) in 1962. He graduated from the Military Technical University in Liptovský Mikuláš in 1985. From 1985 till 1990 he worked in the Department of Technical Support System’s and Automation. From 1990 till 2004 he worked as a lecturer in automation control and support systems at the Military Academy in Liptovský Mikuláš. There he finished his doctoral thesis in 1995 and habilitated in 1997. Since 2004 he has been associate professor at the Faculty of Economics and Administration at the University Pardubice. He has published parts of book and a number of papers concerning with fuzzy decision, fuzzy control, case based reasoning, and rough set theory. Nowadays he is focusing on modelling of environmental and social systems.