Tobias Schulz-Isenbeck

Augenklinik Dardenne SE is a modern eye clinic that specializes in cataract surgery, laser eye surgery, glaucoma treatment, and eyelid surgery. The company is based in Germany, specifically in Bad Godesberg. The German company also provides regular eye check-ups. The CEOs of the private company are Tobias Schulz-Isenbeck, Piper Burkhard, Patricia Geller.

Handelsblatt Media Group GmbH & Co. KG publishes magazines and newspapers. Its newspaper include Handelsblatt, Wirtschaftswoche, corps and Handelblatt Fachmedien. The firm offers marketing, shareholder and advisory newspapers. The company was founded by Friedrich Vogel in 1946 and is headquartered in Dusseldorf, Germany.

Ringier AG engages in publication activities. Its portfolio consists of newspaper, magazines, eMagazines and ePapers, websites, mobile, marketplaces, e-commerce, venturing, events, television, radio, online marketing, and business services. The company was founded by Johann Rudolf Ringier in 1833 and is headquartered in Zurich, Switzerland.