Home People on the Move Christoph Holzmann to join Union Investment Real Estate GmbH as COO People on the Move Christoph Holzmann to join Union Investment Real Estate GmbH as COO June 26, 2020 Facebook Twitter WhatsApp Linkedin ReddIt Email Union Investment Real Estate GmbH is expanding its senior leadership team. With effect from 1 July Thank you for your interest in The Registry. You must Subscribe or Log In to read the rest of this content.