John Furner was announced as the new Walmart CEO after current chief executive Doug McMillon said he will retire early next year, after turning America's largest retailer into a tech-powered giant and spearheaded a period of robust sales growth since 2014. John Furner was announced as the new Walmart CEO after current chief executive Doug McMillon said he will retire early next year, after turning America's largest retailer into a tech-powered giant and spearheaded a period of robust sales growth since 2014. by Soban News (international And National News)