Michael H. Hinderer

Part of Do it again GmbH, Channel 21 Holding AG is a holding German company that specializes in marketing and selling goods and articles through teleshopping and the Internet. The company is based in Hannover, Germany.

Altium Capital AG provides financial advisory services. The private company is based in Zollikon, Switzerland.

Thalia Bücher GmbH engages in the operation of bookstores and online retailing of books. It also sells e-books and audio books, magazines, planners, school and office supplies, greeting cards, toys, home decors, as well as cooking and baking accessories. The company was founded in 1919 and is headquartered in Hagen, Germany.

Part of Houlihan Lokey, Inc., GCA Altium AG is a German Munich-based company that provides investment banking and financial advisory services.

St. Anna gGmbH operates general hospitals. The CEOs of the German company are Michael H. Hinderer, Andreas Schöller.

1komma5° GmbH is a German Hamburg-based company founded in 2021 by Jannik Schall, Micha Grüber, Philip Liesenfeld, Philipp Schröder, and Michael H. Hinderer. The company is based in Hamburg, Germany, and has subsidiaries in Sweden and Germany. The company provides carbon-neutral home energy solutions, including solar systems, heat pumps, wallboxes, and energy storage, all connected to a smart energy system. The company offers a "One-Stop-Shop" for klimaneutrale Energiesysteme, providing tailored solutions for zero-impact power supply. Philipp Schröder has been the CEO since 2021.

Douglas Service GmbH engages in the operation of beauty product stores and e-commerce platforms. It offers products from brands which include Chanel, Dior, Shiseido, Estee Lauder, MAC, and Yves Saint Laurent. The company was founded in 1821 and is headquartered in Dusseldorf, Germany.