Ksenija Sestic is Legal Assistant in OSCE (Organization of Security and Co-operation in Europe, Mission to the Republic of Croatia) since 1997. At the moment, she is on postgraduate "Business Law and Business Transaction" at the Faculty of Law in Osijek. The main interest of work is International Law.

Jasna Horvat is an assistant professor at Faculty of Economics in Osijek. In 1997 she received the doctorate in economics. She is teaching statistics on the first study year and also teaching statistics supported with SPSS on postgraduate study "Entrepreneurship management".