Joseph Spiegel, known as Jo Spiegel (born November 24, 1951, in Mulhouse), is a French politician. A member of the Socialist Party and then of Place Publique, he became known at the national level for his practice of co-constructive democracyhumanite.fr/-lalternative-venait-des-communesfranceculture.fr//les-initiatives-citoyennes/jo-spiegel- in the town of Kingersheim (Haut-Rhin), of which he was mayor from 1989 to 2020.. References