Good leaders need a positive agenda, not just an agenda of dealing with crisis.

I think that, too many times, business has been seen as acting in its narrow self-interest rather than, essentially, contributing more broadly to society. I think a lot of that is unintentional; I don't think that many managers are deliberately trying to be unethical or are not trying to be sensitive to social needs.

I teach in the medical school, the School of Public Health, the Kennedy School of Government, and the Business School. And it's the best perch... because most of my work crosses boundaries.

If your goal is anything but profitability - if it's to be big, or to grow fast, or to become a technology leader - you'll hit problems.

The underlying principles of strategy are enduring, regardless of technology or the pace of change.

The best CEOs I know are teachers, and at the core of what they teach is strategy.

Health care historically has been a very siloed field that's organized around medical specialties - urology, cardiac surgery, and so forth - and around the supply of these specialty services. The patient is the ping-pong ball that moves from service to service.