Stephanie Brecht-Bergen

Mankel Family Office GmbH provides administration and management services. The company is based in Ennepetal, Germany. The CEOs are Christine Mankel-Madaus and Gisela Mankel. The German company was founded in 2002.

KARL München GmbH & Co. KG is a private company based in Dusseldorf, Germany, with CEOs Stephanie Brecht-Bergen and Alexej Brecht-Bergen. The German company is involved in the construction of a new office complex on the former Mahag site in Maxvorstadt, designed by David Chipperfield Architects. The project aims to create a modern and functional space for businesses to operate in.

dormakaba Uk & Ireland supplies and installs access and security products for rooms and buildings. It offer door hardware, entrance systems, electronic access and data, mechanical key systems, lodging systems, safe locks, interior glass systems, and industrial doors. The company was founded on July 1, 2016 and is headquartered in Hitchin, the United Kingdom.

KRM Beteiligungs GmbH provides management services. The private company is based in Ennepetal, Germany. The CEOs of the German company are Karl-Rudolf Mankel, Stephanie Brecht-Bergen, Christine Mankel-Madaus.