 He is a member of the Polish Society of Paediatrics (since 1986), the Polish Society of Human Genetics (since 1997) and the European Society for Paediatric Research (since 1990).He is also a member of the European Society for Clinical Investigation and was its Vice-President between 2003–2004.Since 2003, he has been a member of the Scientific Council of the Institute of Pharmacology of the Polish Academy of Sciences.