Prof. Marian Koman, DSc, graduated from the Faculty of Chemical and Food Technology, Slovak University of Technology (SUT) with an MSc degree in Chemical Engineering. He then started working at the Department of Inorganic Chemistry, Faculty of Chemical and Food Technology, where he has continued his research. Later he obtained his PhD and DSc (Doctor of Sciences) graduations from the same university. The main fields of his scientific interest are inorganic chemistry, coordination chemistry (including the preparation of complexes of Fe and Mn for catalytic ozonation processes) and X-ray structure analysis. He is presently working as a Professor at the Institute of Inorganic Chemistry, Technology and Materials, SUT.