Warren East, former CEO of Rolls Royce and Arm, speaking at a tech event in London on June 13, 2022.CAMBRIDGE, England — The U.K. is doing a bad job of commercializing technology businesses globally and needs a mindset shift from the investor community to win on the world stage, a former CEO of British chip design firm Arm said Tuesday.In a keynote speech at Cambridge Tech Week, Warren East, who led Arm between 1994 and 2013, said that there have been criticisms that lackluster growth and poor rates of GDP ...