Dieter Hahn

Sport1 Medien AG operates as a holding company, which engages in international media operations. It operates through the following segments: Sports, Film, Sports and Event Marketing, and Other. The Sports segment comprises the areas of television and digital with the umbrella brand Sport 1 and in the areas of production. The Film segment combines the activities of Constantin Film AG. The Sports and Event Marketing segment consists of the activities of Team Holding AG, which involves in the marketing of its main project, the UEFA Champions League. The Other Business Activities segment includes group management, corporate finance , information technology, investor relations, controlling, legal, corporate accounting, corporate communications, internal audit, and personnel. The company was founded in 1989 and is headquartered in Ismaning, Germany.

KF 15 Management GmbH & Co. KG operates as a holding company with interest in media. The company is headquartered in Munich, Germany.

Sirius SportsMedia GmbH provides entertainment and recreational services. The company is based in Munich, Germany. The CEO of the German company is Dieter Hahn.

Part of UWH Beteiligungsgesellschaft mbH, Bitop AG is a German company that specializes in the production and application of ectoin® and other extremolytes for pharmaceutical, cosmetics, life science, and animal care industries. The company is based in Witten, Germany. The company offers patent-protected OTC medical devices, highly effective cosmetic ingredients, and unique animal health and care products. Bitop's products include medicine for coughing and colding, allergic diseases of the eye, and health and well-being. The company also offers cosmetic active ingredients and life science solutions for the stabilization of biomolecules. Bitop's recent in vitro study on lung cells with SARS-CoV-2 shows virus-blocking efficacy of Bitop ectoin®. Bitop was founded in 1993 by Thomas Schwarz, and Michael Braig has been the CEO of the company since 2019.

Constantin Film AG engages in the production and distribution of movies with focus on comic books, literary adaptations, historical dramas, as well as action and genre. The firm specializes in German and English language motion picture theatrical production, theatrical distribution, home entertainment distribution, as well as licensing and television production. The company was founded by Bernd Eichinger in 1977 and is headquartered in Munich, Germany.

Team Holding AG operates as a holding company specializing in sports teams and markets sporting events. The company was founded on March 27, 1991 and is headquartered in Lucerne, Switzerland.