I was lucky to be in the right place at the right time. But many others were also in the same place. The difference was that I took action.

I would certainly use my voice to try and avoid anything that undermines confidence, so that parents are using vaccines fully.

I really do think cancer will largely be a solved problem. I think most of the infectious diseases like malaria - our foundation is very involved - once we're finishing polio eradication, then starting up this malaria eradication, and getting that done as fast as we can.

Playing Bridge is a pretty old fashioned thing in a way that I really like... I do the dishes every night - other people volunteer but I like the way I do it.

The present and future of knowledge attainment and essential business skills.

I'm a big believer that as much as possible, and there's obviously political limitations, freedom of migration is a good thing.

Great organizations demand a high level of commitment by the people involved. Eliminate politics, by giving everybody the same message. Keep a flat organization in which all issues are discussed openly. Empower teams to do their own things.