Sven Schubert

TK Elevator GmbH engages in the manufacture, sale, and distribution of passenger transportation systems. Its products include passenger and freight elevators, escalators, moving walks, passenger boarding bridges, as well as stair and platform lifts. It also provides maintenance, real-time troubleshooting, and remote monitoring services. The company was founded in 1865 and is headquartered in Essen, Germany.

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.

Regierungskommission Deutscher Corporate Governance Kodex is a commission that consists of managing and supervisory board representatives of German listed companies and their stakeholders, such as institutional and retail investors, academics, auditors, and a trade union federation. It develops, reviews, and updates the code. The company was founded in September 2001 and is headquartered in Frankfurt, Germany.