Volkswagen AG said Chief Executive Officer Herbert Diess is stepping down from the top job and leaving the car maker’s management board effective Sept. 1, a surprise move amid the car giant’s recent pivot toward electric vehicles. Diess will be succeeded by Oliver Blume, who is also CEO of the car maker’s sports-car brand Porsche AG, Volkswagen
VOW,
+0.37%
said. Arno Antlitz, who currently is chief financial officer of the company, will take on the additional role as chief operating officer, the German car maker said.