Alexander Rauschenbusch

Conergy AG specializes in the manufacture of solar products. It also engages in the installation of photovoltaic systems and solar thermal plants. The company was founded by Hans-Martin Rüter, Elisabeth Ammer, Dieter Ammer, Nikolaus Krane, Angiolo Laviziano, Hans Bucher, Andreas Rittstieg, Renate Rüter, Andreas Rüter, Christina Rüter, Franziska Rüter, Annabelle Theurer, Dieter Krane, and Ennio Laviziano on December 22, 1998 and is headquartered in Berlin, Germany.

RELDATA provides unified block and file storage solutions over iSCSI which enable mid-size and distributed enterprises to nondisruptively consolidate, virtualize and protect data storage, providing integrated storage, disaster recovery and availability solutions. The RELDATA Unified Storage Engine (USE) platform allows companies to integrate their existing storage infrastructure to minimize the functional compromise of siloed block and file solutions while reducing administration costs and data protection compliance risk, and preserve current storage investments at lower total costs. Founded in 2005 and headquartered in Parsippany, New Jersey

Grazia Equity GMBH (Grazia) is the private equity subsidiary of 5r Private Equity KG in Germany. Founded by Alexander Rauschenbusch in 2000, the firm specializes in early-stage investments in innovative, high potential companies, either as principal or co-investor. Located in Stuttgart, Grazia also considers buy-in/buy-out takeovers of established mid-size companies on a case-by-case basis, working with qualified partners from their network.

Wanzl GmbH & Co. Holding KG is a holding company, which engages in the management of land, buildings, and apartments. The company is headquartered in Leipheim, Germany.