Michał BARAN received a MS of Nature Science degree in 1995 from Szczecin University where he investigated molluscs' cytogenetics. Within next four years he had study of endocrinology regulation of animals reproduction. These studies resulted of PhD thesis defended at Szczecin Agriculture Academy. In 1999-2002 he worked in Kolbacz dairy and meet cattle as well as small ruminant centre of National Research Institute of Animal Production in Kraków-Balice. Presently, his scientific interest is focusing on application of chromatographic procedures involving SPE, HPLC and microTLC to metabolomic investigations from complex environmental and biological samples.