Odysseus D. Chatzidis

T-Systems International GmbH engages in the development, implementation, operation, and marketing of client- and industry-specific solutions in the information processing and telecommunications sectors. These include security, data processing, information management, training, and consulting services. The company was founded on August 30, 2004 and is headquartered in Frankfurt, Germany.

Tata Consultancy Services Deutschland GmbH provides project management, product engineering, system integration and consulting services. They serve clients in the banking, energy and resources, healthcare, insurance and transportation industries. The company was founded in 1991 and is based in Frankfurt, Germany.