Karl-Erivan Haub (March 2, 1960 – disappeared April 7, 2018) was an American-born German-Russian billionaire businessman.
On April 7, 2018, a month after his father's death, he went training for a skiing tour in Zermatt, Switzerland and did not return, thus being reported as missing.
[3] Reportedly, he intended to take part in the Patrouille des Glaciers, the world's biggest ski touring race which starts in Zermatt (respectively in the valley to the west, Arolla), and ends in Verbier.
[7] On May 14, 2021, the district court in Cologne formally declared Haub dead, officially listing his time of death as midnight on April 7, 2018.
[8] However, in May 2023, a report appeared in the German magazine Stern that Haub might have actually escaped to live a new life in Russia, and might have been seen in Moscow in 2021.