David S. Christmann appointed Chairman of the Management Board of UBM Development in Germany

Bernhard Egert and Roman Ehrentraut join forces to succeed Werner Huber as technical managing directors in Germany


Vienna, 07.03.2024 – As Dr Bertold Wild is due to leave the company permanently to enjoy his retirement from mid-May, industry insider David S. Christmann will take over from him as Chairman of the Management Board of UBM Germany from 1 April 2024. Bernhard Egert and Roman Ehrentraut already succeeded Werner Huber as technical managing directors in Germany at the beginning of this year. They have assumed this position alongside their responsibility for the area of Timber Construction/Green Building and Technical Competences in the listed company, respectively.

This means that from the beginning of April 2024 the management board in Germany will consist of the following four people: David S. Christmann (Chairman), Daniel Pfister (Financial) and also Bernhard Egert (Technical) and Roman Ehrentraut (Technical).

David S. Christmann has held various management positions during his career, at Isaria, Rock Capital, Patrizia and aurelis, and most recently as Divisional Director at Quarterback in Munich. A graduate architect and urban planner, he has over 30 years of experience in the industry and is well connected.

“With his expertise and experience, David Christmann will not just skilfully lead UBM in Germany through the current industry crisis, he will also further develop UBM’s high-profile projects and our competence in timber construction,” says Thomas G. Winkler, CEO of UBM Development AG, the Vienna-listed parent company of UBM Development Deutschland GmbH.

“I am looking forward to the new responsibilities and new colleagues. The aim of becoming Europe’s biggest timber construction developer was decisive in my motivation to forge ahead with renewed strength,” adds David S. Christmann.

“At the age of almost 70, and as building legislation compliance has been settled for our Munich projects, it is now finally time for a new chapter in my life. Although part of me will always remain with UBM,” says Bertold Wild, looking towards his retirement.


UBM Development is one of Europe’s leading developers of timber construction projects. The strategic focus is on green and smart building in major cities such as Vienna, Munich, Frankfurt and Prague. The EcoVadis Platinum rating and the ESG Prime status by ISS confirm the consistent focus on sustainability. With 150 years of experience, UBM offers all development services from a single source, from planning to marketing. The company’s shares are listed on the Prime Market of the Vienna Stock Exchange, the segment with the highest transparency requirements.

For additional information please contact:

Karl Abentheuer
Head of Corporate Communications
UBM Development AG
Mob.: + 43 664 80 1873 184
Email: karl.abentheuer@ubm-development.com

Christoph Rainer
Head of Investor Relations
UBM Development AG
Mob.: + 43 664 80 1873 200
Email: christoph.rainer@ubm-development.com