Enlarge / Dara Khosrowshahi, chief executive officer of Uber, arrives at the Sun Valley Resort for the annual Allen & Company Sun Valley Conference, July 10, 2018 in Sun Valley, Idaho. (credit: Drew Angerer/Getty Images) The United States Equal Employment Opportunity Commission has opened a formal investigation into the hiring and employment practices of Uber. According to The Wall Street Journal, the probe has been going on since August 2017.