Contact Us For further questions about the conference and your registration please contact Phone: +49 (0)211.8874-3348 (Ralf Ernst) Customer service and registration: Ralf Ernst Phone: +49 (0)211.8874-3348 Email Project Management: Elke Schneider Event Production Lead Email Organisation: Carmen Ziemek Senior Event Coordinator Phone: +49 (0)211.8874-3449 Email Marketing & Communication: Roman Irlinger Senior Manager Marketing & Sales Phone: +49 (0)211.8874-3684 Email Sponsoring & Exhibitions: Iris Cassens-Wolf Head of Sales Events Phone: +49 (0)211.8874-3663 Email