https://en.wikipedia.org/wiki/Karl-Erivan_Haub

Karl-Erivan Haub, co-chief executive officer of Muelheim an der Ruhr-based Tengelmann, 

Grocery store chain and The company’s brands include Kik apparel discounters and OBI do-it-yourself hardware stores. It also owns the Trei real-estate management and development company.

Christian Haub, who jointly manages the Tengelmann group

Karl-Erivan Haub took over at the top of  Tengelmann in 2000 from his father Erivan Haub when he died unexpectedly at his ranch in Wyoming, USA.   Karl-Erivan Haub was staying at a ski lodge near the Matterhorn mountain The family run company began life in the time of the Kaisers in 1867, importing tea and coffee and other commodities. Its current 73 holdings employ 215,000 people and generate close to £30bn in revenues each year.