Executive Director Andreas Fidelak, Ass. jur. Administrative DirectorAdministration melitta.reinerth@ddz.de +49 211 3382-261 Melitta Reinerth Administrative AssistanceAdministration melitta.reinerth@ddz.de +49 211 3382-261 +49 211 3382-263 General Administration Torsten Kulen HeadGeneral Administration torsten.kulen@ddz.de +49 211 3382-262 Oliver Kirchgesser Jacqueline Kuzniewski Torsten Oeben Marcel Oymann Andre Zdunek-Gronau Human Resources Uwe Himmen HeadHuman Resources uwe.himmen@ddz.de +49 211 3382-290 Marcel Mues Claudia Stangwald Financial Management Hans Peter Schumacher HeadFinancial Management hanspeter.schumacher@ddz.de +49 211 3382-673 Ursula Decker-Zillessen Hanan Hamid Krasimira Mineva Britta Zetzmann Utilities Management Christian Gnaß HeadUtilities Management christian.gnass@ddz.de +49 211 3382-765 Ralf Guse Marcus Waßenhofen Thomas Winkler Executive DirectorGeneral AdministrationHuman ResourcesFinancial ManagementUtilities Management