Jack Dorsey onstage at a bitcoin convention on June 4, 2021 in Miami, Florida. Joe Raedle/Getty Images Twitter CEO Jack Dorsey believes that inflation in the US will soon worsen. In a tweet, he said he expects hyperinflation to strike the US economy and the rest of the world. "It is going to change everything," he added. According to Twitter CEO Jack Dorsey, inflation in the US is soon going to get considerably worse.