Russian Troubles, or Swiss Crevasse? The Peculiar Case of the Missing German-American Billionaire Seven years ago Karl-Erivan Haub, a German-American billionaire, was reported missing after failing to return from a backcountry skiing expedition in the Swiss Alps. The 58-year-old was the owner and CEO of German retail group Tengelmann, which runs supermarkets, discounters, and DIY centers across the globe. He was reportedly in Zermatt to train for the Patrouille des Glaciers ski race, […] Industry News Julia Schneemann | April 4, 2025 0 Comments