(AP Photo/Paul Sakluma, File)
Uber CEO and co-founder Travis Kalanick arrives at the Allen & Company Sun Valley Conference in Sun Valley, Idaho.
At the time, it was a small startup called UberCab. Today, Uber is a global company that could be worth as much as $50 billion.
At the helm of the company is Travis Kalanick, Uber's controversial CEO and cofounder. Kalanick can credit his successes to his relentlessness, his competitive spirit, and his unwillingness to negotiate.
Some of his more memorable quotes illustrate Kalanick's thinking, which have ultimately led him to build one of the most valuable privately held tech companies in the world.