Horst Keil

General Atlantic LLC (General Atlantic) is a private equity firm founded in 1980 by Charles F. Feeney. The firm is headquartered in New York.

T-Mobile USA, Inc. engages in the provision of wireless voice, messaging, and data services. It offers different plans for phones and tablets. The company was founded by John W. Stanton in 1994 and is headquartered in Bellevue, WA.

Christoph Mohn Internet Holding GmbH is an investment holding German company founded in 2000 by CEO Christoph Mohn. The company is based in Gutersloh, Germany.

Gruner + Jahr Deutschland GmbH publishes printed and digital media products. The company distributes premium magazines under the STERN, GEO, BRIGITTE, ESSEN & TRINKEN, SCHÖNER WOHNEN, CHEFKOCH, BARBARA, BEEF, and 11FREUNDE brands. It also operates the international digital marketing platform AppLike. The company was founded by John Jahr, Sr., John Jahr, Gerd Bucerius, and Richard Gruner on June 30, 1965 and is headquartered in Hamburg, Germany.

Verlag Bertelsmann Stiftung engages in the provision of educational and social affairs non-profit services. It specializes in education, Europe, democracy, health, values, and economy. The company was founded by Reinhard Mohn in 1977 and is headquartered in Guetersloh, Germany.

T-Com provides telecommunications services to the carrier's fixed-line telecommunications network in Germany. It provides international carrier services, terminal equipment and data communications services and offers services to residential customers and small to midsized businesses. It also provides Deutsche Telekom's fixed-line network infrastructure services and offers these services to other telecom carriers. The company is headquartered in Bonn, Germany.

Microsfot Deutschland GmbH is a distributor of software products. It offers operating systems for computers and mobile phones, cloud services, and programming services. The company was founded in 1983 and is headquartered in Unterschließheim, Germany, with offices within the country.

Leipziger Messe GmbH manages and organizes trade fairs. It engages in designing, organizing, and implementing congresses, guest shows, and show, sport and concert events, as well as other events and corporate business functions. The firm serves exhibitors and organizers. The company was founded in 1996 and is headquartered in Leipzig, Germany.

BMG Rights Management GmbH engages in music publishing, management of music copyrights, and music distribution. It offers music publishing and recording, content creation, commissioning new video programming, audiovisual rights management, synch marketing and licensing, as well as licensing of music rights. The company was founded on October 1, 2008 and is headquartered in Berlin, Germany.

Fujitsu Siemens Computers GmbH provides information technology services. It provides mobility & dynamic data center products, services and solutions. It offers product and solution portfolios including digital home technology, handhelds, notebooks, pen tablets, PCs, workstations, industry standard and UNIX-based servers, mainframes, storage solutions and IT infrastructure solutions. Customers comprises of large corporations, small and medium enterprises and private users. The company was founded in 1999 and is headquartered in Munich, Germany.

Part of Dell Technologies, Inc., Dell GmbH is a German company that offers laptops, monitors, computers, servers, support, and comprehensive storage solutions. The company is based in Frankfurt, Germany. The CEOs are Claudia Kreiss, Tim van Wasen. The company was founded in 1984 by Michael Saul Dell.

BITKOM Bundesverband Informationswirtschaft-Telekommunikation operates as a business association. The company is based in Berlin-Mitte, Germany and has subsidiaries in Germany.

Bertelsmann Management SE is an international media enterprise with corporate divisions including RTL Group, Penguin Random House, and Gruner + Jahr. The private company is based in Gütersloh, DE and has a global presence of subsidiaries in several regions. The German company's Press Center provides detailed information for journalists, and the company is also committed to Corporate Responsibility activities. Thomas Hermann Rabe has been the CEO of the company since 2012.

Penguin Random House Ltd. publishes and distributes books. It offers fiction, non fiction, and children's books. The company was founded on September 5, 1962 and is headquartered in London, the United Kingdom.

Bot1 Corp. develops and provides a software application which allows users to stay connected with their favorite bands. The company was founded by Jürgen G. Kurz, Andre Rabold, Thomas Hesse and Konstantin Elchev in June 2015 and is headquartered in Glendale, CA.

Part of Majorel Group Luxembourg SA, Mayen Telekomünikasyon Hizmetleri AS is a telecommunications company based in Istanbul, Turkey. The Turkish company engages in the telecommunications industry. The company was founded in 2004 and Soner Cesur has been the CEO of the company since 2014. Mayen Telekomünikasyon Hizmetleri AS was acquired by Majorel Group Luxembourg SA on January 01, 2022.

Part of Driift Live Ltd., Dreamstage, Inc. is a live streaming technology and sales platform based in Dover, DE. Dreamstage has delivered over 70 live shows since its launch, including performances by Polo G, Chief Keef, Yo-Yo Ma, Train, Sean Paul, Mastodon, and in partnership with Driift, Dita Von Tese, Little Mix, and Jonny Greenwood and Thom Yorkes new band, The Smile. Dreamstage's rich capabilities allow artists to engage their fanbase in highly interactive live streaming events and monetize these via ticket sales, brand sponsorship, merchandising, VIP experiences, and charity donations. The company was founded in 2020 by Jan Vogler, Thomas Hesse, Scott Chasin. Dreamstage was acquired by Driift Live Ltd. on September 30, 2022.

Flix SE provides bus transportation and digital booking services. The company is based in Munich, Germany. The German company was founded by Jochen Engert.