While Costco co-founder Jim Sinegal is stepping down as CEO, he will remain as chairman. Ensuring a smooth transition for the new CEO and continuing to provide his guidance means that Sinegal's presence will give Costco an advantage over other retailers. Earlier this year on our nationally syndicated Motley Fool Money radio show, Sinegal shared his thoughts on his negotiating sessions with Starbucks CEO Howard Schultz, as well as how Wal-Mart founder Sam Walton felt about Sinegal's business mentor, Sol Price. 

Chris Hill owns shares of Starbucks. The Motley Fool owns shares of Wal-Mart Stores, Starbucks, and Costco Wholesale. Motley Fool newsletter services have recommended buying shares of Wal-Mart Stores, Starbucks, and Costco Wholesale and creating a diagonal call position in Wal-Mart Stores. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.