Sam Winkel

Questos AG provides financial services. It engages in the acquisition, sale, and management of assets. The firm's investment assets include information technology software development companies, real estate, shareholdings in other enterprises and new media businesses. The company was founded on April 19, 2000 and is headquartered in Munich, Germany.

Carthago Value Invest AG is a closed-end investment fund/investment trust. The company is headquartered in Bremen, Germany.

Schraad Metallbau AG engages in the production and manufacture of metal products. Its products include ferrous metals, non-ferrous metals, precious metals, and minor metals. The company was founded in 1999 and is headquartered in Bremen, Germany.

Aureum Realwert AG engages in the acquisition, administration and sale of financial assets such as investments in other companies. It invests in real assets including precious metals, raw materials, and real estate. The company was founded by Wolfgang Kuennecke on November 18, 1991 and is headquartered in Berlin, Germany.