Why The T Mobile New Ceo Is Surprisingly Popular With Employees bejo 6909 Share Why The T Mobile New Ceo Is Surprisingly Popular With Employees T-Mobile hires 31-year old millionaire for Chief Switching Officer role ... Watch CNBC's full interview with T-Mobile's new CEO, Mike Sievert Read also: PangoBooks Grows Ecommerce Revenue 63% In First 6 Months With Klaviyo