Home Service Administration Procurement/Purchase Procurement/Purchase Marena Meier Clerk +49 331 567-9113 +49 331 567-9106 marena.meier@... Z-1.019 Procurement/Purchase Sylvia Ost Clerk +49 331 567-9105 +49 331 567-9106 sylvia.ost@... Z-1.019 Procurement/Purchase Stefanie Schumacher Clerk +49 331 567-9110 +49 331 567-9102 stefanie.schumacher@... Z-1.019 Procurement/Purchase Katharina Zesch Head of Unit +49 331 567-9107 +49 331 567-9106 katharina.zesch@... K-0.228 Procurement/Purchase