Dr. Kralik studied at Faculty of Economics, Osijek. He then joined the research group of Prof. Tolusic at Department of Bioeconomics and Rural Development, Faculty of Agrobiotechnical Sciences Osijek (FAZOS) as young researcher. He received his PhD degree in 2011. at the same institution. He obtained the position of an Associate Professor at the FAZOS. His field of research are agricultural market, especially functional food market.