The sculptor and painter Willi Siber graduated from the University of Stuttgart in 1974. He is a member of the German Association of Artists and the Baden-Württembergische Künstlerbund as well as the International Association of XYLON Lumberjack. He has exhibited individually since 1987 in the Bad Waldsee Gallery with Arbeiten in Holz. Skulpturen in Holz, Kunsthof Galerie Schrade, Lindau. Neue Arbeiten, Galerie Györfi, Herrenberg. Malerei, Plastik, Objekte, Galerie Schloß Mochental (K). Siber has participated in collective exhibitions such as Bundesrepublik Deutschland, Deutscher Bundestag, Berlin, Land Baden-Württemberg, Staatsgalerie Stuttgarten 2015.