Every job I took, I was deeply uncomfortable in terms of feeling unqualified. Every step, every risk I took, built confidence.

Diversity is crucial.

If you ask anybody at Microsoft, could they spend more money, all of them would say yes. They should say that! They should say, 'Yes, I have so many terrific innovative, interesting, awesomely impactful ideas that you have to get me more money.' I love that. I love that energy, and I listen to some really fascinating arguments.

As our products have improved, and you add value at the high end, customers move to the high end.

Deloitte University is really about leadership development. Our people love it!

In Israel's short history, army commanders and the heads of the intelligence agencies have often advocated the use of force and in many cases showed contempt for the law and human rights. Political leaders have typically been more measured.

The signs of outstanding leadership appear primarily among the followers. Are the followers reaching their potential? Are they learning? Serving? Do they achieve the required results? Do they change with grace? Manage conflict?

Ellington is a writer and arranger, as well as a musician and leader. He does movie sound tracks.