Trader Joe's Trader Joe's Trader Joe's is an American chain of grocery stores based in Monrovia, California. By 2015, it was a competitor in "fresh format" grocery stores in the United States. As of October 12, 2017, Trader Joe's had 474 stores nationwide in 43 states and in Washington, D.C. The first Trader Joe's store was opened by founder Joe Coulombe in 1967 in Pasadena, California. Starting in 1979, it was owned by German entrepreneur Theo Albrecht, until his death in 2010, when ownership passed to his heirs. Trader Joe's is a subsidiary of German supermarket chain ALDI Nord. The company has
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.