Hans-Jürgen Best

Part of RAG-Stiftung, Vivawest GmbH is a German company that focuses on the development and value enhancement of their properties. The company is based in Gelsenkirchen, Germany. The company manages over 120,000 apartments in NRW, providing homes for approximately 300,000 people. The company offers a repair service to quickly address emergencies and repairs for their tenants. The company was founded in 2006 and is led by CEOs Claudia Goldenbeld and Haluk Serhat. Vivawest was acquired by RAG AG on June 30, 2015.

Entwicklungsgesellschaft Universitätsviertel Essen mbH is a professional, scientific, and technical services company based in Essen, Germany. The German company provides a range of professional, scientific, and technical services to its clients. The private company was founded in 2000, and the CEO is Dirk Miklikowski.