Senior Scientist and Head of the Laboratory of Biotransformation, Institute of Microbiology of the Czech Academy of Sciences dealing with natural substances and especially polyphenols. Scientific education and Habilitation at the Institute of Medical Chemistry and Biochemistry of the Faculty of Medicine and Dentistry, Palacký University in Olomouc. Focus is mainly on the bioavailability, metabolism, and biological activity of natural polyphenols (94 peer-reviewed publications, h = 29).