Walmart’s US e-commerce CEO to step down Marc Lore, the president and chief executive officer of e-commerce for Walmart US, will step down at the end of this month but will stay on as strategic advisor until September. Lore, who joined Walmart in 2016 when the company acquired Jet.com, a startup that he co-founded, jump-started the grocery chain’s digital business.  Walmart president and CEO Doug McMillon has not announced a successor for the position. In a company memo, however, he sai