Otmar Reifer

Part of Berkshire Hathaway, Inc., NetJets Europe Ltd. runs a fleet of aircrafts. The company is based in Rotkreuz, Switzerland. The CEO of the Swiss company is Mark Booth.

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.

Part of DZ BANK AG Deutsche Zentral-Genossenschaftsbank, Shoppingcenter Quarree Am Sophienhof GmbH is a German company that engages in buying and selling of residential buildings and apartments. The company is based in Hamburg, Germany. The CEOs of the company are Ralf Schaffuss, Marco H. Wiedenhofer, Lars Richter.

Ireneus Grundstücksverwaltung GmbH & Co. KG is a private company based in Hamburg, Germany. Ireneus Grundstücksverwaltung GmbH & Co. KG engages in the management of commercial premises and non-residential buildings. The German company was founded in 2015, and its CEOs are Lars Richter, Ralf Schaffuss, and René Wickboldt.