Rubelmann, Marianne by adminassist Posted on July 6, 2013August 20, 2015 Publisher Directory Job Title & Company Information: 2013 - Beltz & Gelberg, Publisher/Managing & Editorial Director More Information: 2004: http://www.buchmarkt.de/content/14564-marianne-ruebelmann-herrmann-ist-die-neue-geschaeftsfuehrerin-der-verlagsgruppe-beltz-in-weinheim-.htm?hilite=-Bild-