Senior researcher in the Laboratory of Biotransformation, Institute of Microbiology of the Czech Republic in Prague and Professor of Medical Chemistry and Biochemistry. Long-time expert in the chemistry and chemoenzymatic transformation of flavonolignans of silymarin, in biotransformation of natural products by enzymes and microorganisms, but also in glycosidases and glycosyltransferases, pharmacology of glycosides, glycobiology. 370 publications, h = 46.