Guiding principles to develop e-waste management systems and legislation / editor: Ruediger Kuehr, United Nations University ; we take pleasure in thanking those Step members who have actively developed this Step White Paper: Smit, Eelco (Philips) - co-lead, Magalini, Federico (UNU) - co-lead, Adrian, Stephanie (US-EPA), Gunsilius, Ellen (GIZ), Herbeck, Elisabeth (UNIDO), Oelz, Barbara (GIZ), Perry, Jonathan (Dell), Radulovic, Verena (US-EPA), Rakowski, Marcel (RLGA), Reyes, Laura (Datec Technologies), Rosales, Jhoanna (Vertmonde), Schluep, Mathias (EMPA), Toorens, Barbara (WorldLoop), Wolf, Roger (GIZ), Yuan, Chen (BCRC China)