Contact Contact Project Management Sylvia Zenzinger Conference Director CTI Symposia E-Mail Project Management Stephanie Segers Project Assistance +49 211 8874-3342 E-Mail Marketing/Press Sabine Fischer Marketing Director +49 211 8874-3685 E-Mail Sponsoring & Exhibiting Şenel Çelik Sales Director +49 211 8874-3727 E-Mail Customer Service and Registration Volker Altenbeck +49 211 8874-3845 E-Mail