In 1989 Simone Liebster became a founding member of CETJAD (Cercle Européen des Témoins de Jéhovah Anciens Deportés et Internés) and now lectures widely on the Witnesses’ experience of surviving Nazi persecution. She has spoken at a about human rights at the European Parliament in Strasbourg and at another one in Brussels, held by the Council of Europe. She has lectured about her experiences in over 50 cities in England, Belgium, Canada, France, Germany, Italy, Spain, Switzerland, and the United States.
