Friedrich Rojahn

High-Tech Gründerfonds Management GmbH (HTGF) is a venture capital firm founded in 2005. The firm is headquartered in Bonn, Germany.

smartblue AG engages in the development and marketing of fault detection solutions for photovoltaic systems. The firm specializes in the design of photovoltaic monitoring systems for photovoltaic engineers and system installers. It offers its Smart Monitor technology, a monitoring solution that provides string, parallel, and module monitoring compatible with current monitoring hardware. The company was founded by Günter Seel and Philip Geiger in 2010 and is headquartered in Munich, Germany.

Inreal Technologies GmbH creates virtual reality simulations. It specializes in the fields of software development, logistics, and distribution. The company was founded by Thomas Hans Schander, Julian Moritz Luck, and Michael Johannes Beyhs in 2011 and is headquartered in Karlsruhe, Germany.

LightnTec GmbH manufactures digital lights. It offers light and screen transparencies, digital out of home, media façade, DOOH, media facades, signage, illuminated advertising, digital signage screens, XXXL screens and media screen matrix. The company was founded by Florian Kall in 2016 and is headquartered in

Next Kraftwerke GmbH specializes in the marketing of micro generation plants for the electrical power market. Its products include biogas, solar, wind, hydropower and CHP/cogeneration. The firm operates through its offices located in Hamburg, Tübingen and Erlangen. The company was founded on October 12, 2009 by Jochen Schwill and Hendrik Sämisch and is headquartered in Cologne, Germany.

tbg Technologie-Beteiligungs GmbH is a German technology investment company that focuses on investing in innovative technology startups. The company is ultimately controlled by the Government of Germany and is based in Bonn, Germany. The CEOs of the company are Walter Auel, Andreas Höck, Markus Schladt.