My father was a die maker for 39 years, so I had a basic understanding of the automobile industry and what the manufacturing world was like, just from the opportunity to spend time with him - just talking, because he was a car buff.

Lyft is focused on the customer - the driver - as GM is. I've talked many times about our goal being, 'How we can put the customer at the center of what we do so we earn customers for life?' It's a very common goal of putting the customer first.

The biggest message I have for young women is, Don't start cutting off branches of your career tree unnecessarily early. Sometimes women say, I know I want to have a family or play in the local symphony, and they start pulling themselves out of their career path. You don't have to take yourself out of the running before you even start.

My first job at General Motors was as a quality inspector on the assembly line. I was checking fits between hoods and fenders. I had a little scale and clipboard. At one point, I was probably examining 60 jobs an hour during an eight-hour shift. A job like that teaches you to value all the people who do a job like that.