Arnold R. Bahlmann

debitel AG provides mobile & fixed-line telecommunications services, internet and data services. It is a network-independent telecommunications company that offers mobile telephony, fixed-line telephony and the internet. It does all of this by purchasing capacity from various network operators, which it then supplements and combines to create its own products and packages. It works in Germany with the mobile telephony operators like T-Mobile, Vodafone and E-Plus. The company was founded in 1991 and is headquartered in Stuttgart, Germany.

Lavena Holding 1 GmbH operates as a holding company and indirectly manages majority shares in ProSiebenSat.1 Media AG. The company is headquartered in Munich, Germany.

TVN SA engages in the provision of television broadcasting services. It produces and distributes news programs, shows, TV series, reality shows, and also films. The company broadcasts such channels as TVN, TVN Style, HGTV, TVN Turbo, and TTV. The company was founded in 1995 and is headquartered in Warsaw, Poland.

eCircle GmbH is a software provider with a focus on online marketing. It offers email marketing, social media, and performance marketing software. The company also provides consulting and marketing campaign services. The company was founded in 1999 and is headquartered in Munich, Germany.