MSc Zvonimir Sakač, Senior Technical Assistant. Worked at the Department from May 1987. Started research on sunflower physiology and since 2008 has worked on the qualitative and quantitative parameters of oil quality in the process of new sunflower genotypes selection. Authored or co-authored 171 research and technical papers, one monograph and two monograph chapters. Editor of an international monograph on sunflower genetics and breeding. From 1990 until July 2004 he was Editorial Secretary and Technical Editor, and in 2004 he became Chief Editor of the International sunflower journal Helia.