AMSTERDAM, NETHERLANDS - MAY 24: CEO of Uber, Travis Kalanick, attends the kick-off of Startup Fest Europe on May 24, 2016 in Amsterdam, The Netherlands. The event facilitates match-making between investors and startup entrepreneurs from all over the world. (Photo by Michel Porro/Getty Images)
BEVERLY HILLS, CA - FEBRUARY 26: Co-founder of Uber Travis Kalanick attends the 2017 Vanity Fair Oscar Party hosted by Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 26, 2017 in Beverly Hills, California. (Photo by Mike Coppola/VF17/Getty Images for VF)
BEVERLY HILLS, CA - FEBRUARY 26: Co-founder of Uber Travis Kalanick attends the 2017 Vanity Fair Oscar Party hosted by Graydon Carter at Wallis Annenberg Center for the Performing Arts on February 26, 2017 in Beverly Hills, California. (Photo by Mike Coppola/VF17/Getty Images for VF)
SAN FRANCISCO, CA - SEPTEMBER 08: Uber CEO Travis Kalanick speaks onstage at TechCrunch Discrupt at Pier 48 on September 8, 2014 in San Francisco, California. (Photo by Steve Jennings/Getty Images for TechCrunch)
SAN FRANCISCO, CA - JUNE 13: A private security guard stands in front of Uber headquarters on June 13, 2017 in San Francisco, California. Uber CEO Travis Kalanick announced plans to take a leave of absence as the company prepares to release the results of an investigation conducted by former U.S. attorney general Eric Holder into allegations of sexual harassment and discrimination. (Photo by Justin Sullivan/Getty Images)
