Joseph Sumberg

Zech Group GmbH operates as a management holding company with interests in the construction, real estate, hotel, environment, technology, industry, as well as international and consulting sectors. It focuses on the entire property-related value-added chain. The company was founded in February 1909 and is headquartered in Bremen, Germany.

Part of ACTUAL Fenster Türen Sonnenschutz GmbH, Blanke Management GmbH is a German company that provides management services. The company is based in Bremen, Germany. The company was founded in 2000. The CEO is Kurt Zech.

Barings LLC (Barings) is a private equity firm a subsidiary of Barings LLC founded in 1992. The firm is headquartered in Boston, Massachusetts.

Tor und Schlüssel Beteiligungs GmbH & Co. KG is an investment holding German company. The company is based in Hamburg, Germany. The CEOs are Kurt Zech and Carsten Bernhard Sommerhage. The private company was founded in 2015.

Agrar ZG Projektbeteiligungs GmbH produces biomethane gas and electricity. The private company is based in Hamburg, Germany. The CEOs are Kurt Zech, Wolfrat Voigt. The German company was founded in 2016.

Grundstücksgesellschaft Münster Engelstrasse mbH is a real estate company based in Bremen, Germany. The CEOs of the German company are Joachim J. Linnemann, Kurt Zech. The private company leases and manages real estate properties.

Zech Gewerbebau GmbH owns and operates hotels. The company is headquartered in Bremen, Germany.

Severin's Resort & Spa GmbH is a luxury hotel located in Sylt, Germany. The hotel offers a variety of services including spa suites, exclusive wellness packages, and sports courses such as aqua-fitness, yoga, and meditation. In addition, the hotel provides guests with modern holiday homes that can accommodate up to eight people and include access to the spa. The hotel also offers massages, treatments, and a hamam, as well as a range of culinary highlights. The CEOs of the German company are Sarka Snasel and Kurt Zech.

Part of ZECH Building AG, Zech Management GmbH provides management services. The company is based in Bremen, Germany. The CEOs of the German company are Anette Höchst, Kurt Zech.

Deutsche Immobilien Holding AG engages in the development of real estate properties and the management of funds and assets. It operates through the following segments: Residential Building; Industrial Building; Administration, Provision, and Services; and Fund Concept and Management. The Residential Building segment develops and markets residential properties for sale and lease. The Industrial Building segment comprises real estate for commercial use such as office and retail properties. The Administration, Provision, and Services segment concentrates on project management and provides administration services to subsidiaries. The Fund Concept and Management segment focuses on the management and conception of funds. The company is headquartered in Delmenhorst, Germany.

POLARUS GmbH provides investment services. The private company is based in Bremen, Germany. The CEOs of the German company are Bernd Petrat, Kurt Zech.

ZEABORN GmbH & Co. KG engages in the purchase, financing, and operation of multi-purpose cargo vessels. It offers tramp, liner, ship management, and shipowning services. The firm specializes in the commercial and technical management of ships. The company was founded by Kurt Zech, Ove Meyer and Jan-Hendrik Többe in 2013 and is headquartered in Bremen, Germany.

Part of ACTUAL Fenster Türen Sonnenschutz GmbH, Die Wohnkompanie NRW GmbH is a German company that specializes in providing high-quality apartments, houses, and city neighborhoods for both homeowners and investors. The company is based in Dusseldorf, Germany. The CEOs of the company are Kurt Zech, Gerd Kropmanns.

Part of Werder Verwaltungs-Gmbh, SV Werder Bremen GmbH & Co KG aA is a football club based in Bremen, Germany. The CEOs are Frank Baumann, Klaus Filbry, Hubertus Hess-Grunewald. The German company was founded in 1899.

JOKE Event AG is a leading agency for events and live communication, offering full-service solutions for digital and hybrid events through their JOKE Streamingstudio. The private company is based in Bremen, Germany and was founded by Christian Seidenstücker and Peter Melms. The German company specializes in creating and influencing memories, as well as producing and managing events.

Nordwest Industrie Group GmbH provides investment services. The private company is based in Frankfurt, DE. and has subsidiaries in United States and Germany. The CEOs of the German company are Zeljko Ciganovic, Kurt Zech, Bernd Petrat.

The John Buck Co. engages in vertically-integrated real estate operations. The company was founded in 1981 and is headquartered in Chicago, IL.