Florian Grebe

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.

Part of Siemens AG, Siemens Building Technologies AG is a Swiss company that offers energy-efficient, safe, and secure buildings and infrastructure. The company is based in Zug, Switzerland. The company acts as a trusted advisor and reliable partner, providing system integration, services, and products. Siemens also provides ways for internal and external parties to report compliance violations. The company believes that technology with purpose can solve the greatest challenges of our time and offer career opportunities to those who join their team.

CoreMedia AG engages in the provision of web content management. It offers digital experiences including content and digital asset management, business user empowerment, platform, and cloud. Its services include professional services, training, and client support. The company was founded by S?ren Stamer, Florian Matthes, Joachim Schmidt, and Andreas Gawecki in 1996 and is headquartered in Hamburg, Germany.