Theo Albrecht Jr. Theo Albrecht Jr. Theodor "Theo" Albrecht Jr. (born 1950) is a German billionaire businessman, the son of Theo Albrecht, co-founder of Aldi. As of January 2018, Albrecht's net worth is estimated by Forbes as $22.4 billion. In 2010, his father Theo Albrecht died, leaving the ownership of the German supermarket chain Aldi Nord and US supermarket chain Trader Joe's to his two sons, but Berthold died in 2012. Theo Albrecht Jr. and the heirs of his brother Berthold inherited the fortune, which originally grew from a corner grocery shop opened back in 1913. Albrecht lives in Mülheim an der Ruhr,
Perekrestok (supermarket chain) connected. In November 2017, X5 introduced machine learning to bolster targeted marketing at the Perekrestok supermarket chain, and developed personalised offers for all members of the Perekrestok Club loyalty program. The company leverages machine learning to group customers into segments based on common features and create offers for them. The system analyses groups of customers and designs personalised marketing campaigns based on demographic and several hundred behavioural factors, such as: frequency of purchases and ticket size, customer preferences, lifestyle fundamentals, acceptable price levels, favourite product categories and preferred shopping hours. Customer sensitivity to offers is predicted using various analytical models.