4a Baumanagement is taking on reinforcement at management level. From January 2016 Markus Christ (right) and managing director Achim Zumpfe now together form the new management duo at 4a Baumanagement GmbH. 4a Baumanagement has gained in this 46-year-old an expert in the field of construction planning and building construction with almost 20 years’ professional experience as an architect. We are delighted that he will be adding his support to our team in the future.