Piotr Seliger is a researcher in the Laboratory of Coordination Compounds, Faculty of Chemistry, University of Lodz. They are the Dean of a Branch of the University of Lodz in Tomaszów Mazowiecki. Their main areas of scientific interest are the study of macrocyclic complexes of cyclotriphosphazene derivatives in medicine and pharmacy, the synthesis and research of the properties of crown ether derivatives and their complexes, and studies of acid–base equilibria in mixed solvents and the electrochemistry of complex compounds.