However, a recent investigation by german broadcaster rtl claims to have uncovered evidence suggesting that haub is alive and residing in moscow. His family say they have given up hope of seeing him alive. He was managing director and part owner of tengelmann. A german billionaire who was officially declared dead in 2021, three years after vanishing in the swiss alps, may have faked his own death to live with his alleged mistress in. A billionaire long believed to have died in a skiing accident may actually be alive and living with a younger woman in moscow, new evidence has suggested. The former managing director of the german retail giant.