Roland Hamm

IG Metall is the largest individual trade union in the world, based in Frankfurt am Main, Germany, with subsidiaries in Germany. The German company provides information, materials, and useful guides to its members to help them achieve fairness and good working conditions in their workplaces and society. The private company's focus is on employment security, occupational safety, and value chains. The CEO of the company is Hans-Jürgen Urban.

Carl Zeiss AG engages in the development and manufacture of scientific optics technologies and solutions services. Its products and solutions inlcude medical, microscopy, optemetry, industrial metrology spectroscopy, semicondictor technology, camera and film lenses, and simulation solutions planetariums. The company was founded by Carl Zeiss in 1846 and is headquartered in Oberkochen, Germany.