GM hires ex-Tesla, Google exec to replace retiring head of manufacturing

General Motors Executive Vice President Global Manufacturing and Labor Relations Gerald Johnson (middle) watches as engineers and technicians set-up and test the machines that will be used to manufacture Level 1 face masks at a plant in Warren, Michigan.DETROIT – General Motors' long-time head of manufacturing is retiring, and the company has hired a former Tesla and Google executive to fill his shoes.The Detroit automaker said on Tuesday that Gerald Johnson, executive vice president of Global Manufacturing ...