Stephan Nikolaus Wessel

Younicos GmbH offers smart storage and grid solutions based on battery technology. It specializes in the integration of grid infrastructure elements. The firm's products and services include battery storage systems, micro-grid systems, and consulting services. The company was founded by Clemens Triebel and Alexander Voigt in 2005 and is headquartered in Berlin, Germany.

3i Deutschland Gesellschaft für Industriebeteiligungen mbH (3i Deutschland) is the German private equity subsidiary of 3i Group Plc (LSE: III) in Great Britain. Established in Frankfurt in 1984, the firm invests in small and medium-sized German companies at all stages of development, from start-ups to established businesses. In addition to the Frankfurt office, 3i Deutschland has offices in Munich and Stuttgart. They drive their investment focus and decisions from their Frankfurt and Munich offices, and the team collaborates with Swiss colleagues in Zurich and 3i's network across Europe, Asia and the U.S. to invest in a wide range of industry sectors.

zetVisions AG engages in the development and implementation of information technology solutions for legal entity management and master data management. It also develops SAP-based solutions, as well as solutions for different system environments. The company was founded in 2001 and is headquartered in Heidelberg, Germany.

TriPos GmbH engages in the acquisition and management of participating interests in companies. It also manages its own assets. The company is headquartered in Werne, Germany.