I don't know anything about cars. A business is a business, and I think I can learn about cars. I'm not that old, and I think the business principles are the same.

When I got to GM they were using a matrix method of management which means everybody has more than one boss. I first heard about that system many years ago. It's supposed to help with collaboration, but my assessment is that it's pretty hard to get geared for action that way.

I am honored to be able to serve GM at this critical juncture and take part in its reinvention.

None of us has control over the economy, the job market, or anything else in the global sense. But we are 100% in charge of how we respond to challenges that come our way, be it the loss of a job, a career derailment, or some other disappointment.

I was brought in by the White House as GM's chairman in 2009, around the time of the bankruptcy, and became CEO later that year. As a company, we were grateful for the government's support. But as GM's financial health began to improve, I could detect no real sense of urgency, or even interest, on the part of the government to relinquish control.

I'm a pretty average guy and want to keep a low profile. I don't want the world necessarily to know about me.

Be willing to step outside your comfort zone once in a while; take the risks in life that seem worth taking. The ride might not be as predictable if you'd just planted your feet and stayed put, but it will be a heck of a lot more interesting.