Caterpillar has announced that three vice presidents, Paolo Fellin, Greg Folley and George Taylor, have elected to retire after long and distinguished service for the U.S. construction, quarrying and mining equipment manufacturing giant. In connection with the retirements of Fellin, Folley and Taylor and the company’s previously announced plan to review and update its strategy, Caterpillar is also announcing organisational changes, appointing two new vice presidents and launching a search for a third. Paolo