Dr. Jarosław Przetakiewicz graduated from Nicolaus Copernicus University in Toruń, Poland – biology department – in 1998. His M. Sc. degree thesis concerned identification of aminoacides connected with phosphorylation in proteins using immunoprecipitation methods in oats. In 1998 Dr J. Przetakiewicz started to work in Plant Breeding and Acclimatization Institute – National Research Institute. This work fructified Ph.D. degree in 2003. Title of thesis: “Production of tetraploid somatic hybrids of potato (Solanum tuberosum L.) from selected diploid lines”. From 2004 he is working for Department of Plant Pathology in Laboratory of Quarantine Organisms. His research is connected with improving of detection and pathotype determination of S. endobioticum and resistance tests of potato genotypes to different pathotypes of the fungus.