Guenter Pfeiffer

T-Mobile International AG & Co. KG provides telecommunications services. As strategic business segment of Deutschen Telekom AG for mobile telephony, the company concentrates on mobile telephony markets in Europe and the USA. The company is a partner of the FreeMove alliance, which they founded together with three other european mobile phone providers: Orange, Telefónica Móviles Espana and TIM (Telecom Italia Mobile). The company was founded in 1999 and is headquartered in Bonn, Germany.

Detecon International GmbH provides management consulting services. It advises telecommunications companies, governments, investors and regulatory authorities with solutions developed from the application of information and telecommunications technologies. The company was founded in 1977 and is headquartered in Cologne, Germany.