Knut J. Michelberger

RENA Technologies GmbH engages in the delivery of solar technology, semiconductor technology, and medical technology. It offers medtech, semiconductor, green energy, glass & sapphire, and customized solutions. The company was founded by Jürgen Gutekunst in 1993 and is headquartered in Gütenbach, Germany.

Kaffee Partner Holding GmbH operates as a holding company with focus on the supply of coffee and coffee systems to the small and medium-sized enterprises sector. The company was founded in 1973 and is headquartered in Osnabruck, Germany.

Weener Plastics Group BV is a full-service supplier of innovative and sustainable plastic packaging solutions. The private company is based in Ede, Netherlands. The Dutch company designs, develops, and manufactures added value Caps & Closures, Roll-on Packaging, Bottles, Jars & Lids for the Personal Care, Food & Beverage, and Home Care markets. The company was founded in 2013. Adrian M. Whitfield has been the CEO of the company since 2020.

Coffee Address Holding SIA engages in selling, renting and servicing of coffee and vending machines. It offers sugar, tea, and snacks. The company was founded in 1993 and is headquartered in Riga, Latvia.

Formel D GmbH provides technical consulting services to automobile manufacturers and suppliers. It offers services such as assembly and fleet management of test vehicles, vehicle testing, supplier sourcing, remachining and retrofitting of new vehicles, planning & execution of the relocation of production sites, conditioning and retrofitting of new & used vehicles, as well as integrated solutions for the reduction of warranty costs. The company was founded by Viola Metzner and Hans-Josef Orth in February 10, 1993 and is headquartered in Troisdorf, Germany.

Formel D Verwaltungs GmbH provides technical consulting services to automobile manufacturers and suppliers. The company was founded on January 7, 2013 and is headquartered in Troisdorf, Germany.

Racing TopCo GmbH provides investment services. The private company is based in Troisdorf, Germany. The CEOs of the German company are Knut J. Michelberger, Jürgen Laakmann.

Formel D Holding GmbH provides investment services. The company is based in Troisdorf-Spich, Germany. The German company was founded in 2013. The CEO is Knut J. Michelberger.