There's hundreds of millions of people that are card members at AmEx - all of them should be using Uber.

The way I try to simplify my job is that I have two lists - I have a list of all the crazy, interesting problems that I get to solve every day or that need to be solved, and I have a crazy list of things I'd like to invent. And I kind of just prioritize them and work my way down, and try to simplify what I do when managing a big company.

Safety is number one at Uber... so we make sure the system is in place so riders get the safest ride possible.

Travis Kalanick Quotes