„Since the formation of the ZIA German property federation in 2006, Dr. ZitelmannPB. GmbH has been a reliable and dedicated partner. It was not least due to the work of Dr. Zitelmann that ZIA managed to take the lead among the real estate interest groups in the public relations area, among others. The network connections of Dr. Zitelmann within the real estate industry were instrumental in bringing this success about. Thanks to his personal interest in the establishment of a single voice that speaks for the entire real estate industry the ZIA received numerous impulses that did play a part in its successful development even in the formative years since its inception.“