Marie Geissler works at the Papiertechnische Stiftung (PTS)(Germany). Her areas of expertise include recyclability evaluation of paper products within the scope of customer projects, test assignments and various research projects. Marie is a technical adviser in the 4Evergreen initiative, a European cross-industry alliance of over 100 members representing the entire lifecycle of fibre-based packaging. Additionally, she is experienced in designing and implementing recycling and recovered paper workshops.