Instead of saying 'I'm a technology entrepreneur…' you might say, 'well, I run a technology business, but I love philosophy and playing the piano…' the person you're speaking to now has a few more dots to connect! It takes active engagement in conversation to do this – you can't be passive and on autopilot.

Sustainability isn't a trend in our kitchen - it's a responsibility. We have to think about the future of our planet with every dish we create.

Everyone needs encouragement and everyone needs hope. I have an open policy with my foundation insofar as I don't put restrictions on who can come to my camps – I want anyone who needs it, to have access.

In a world where everyone gets to play in social media, we're about to realise that the vast majority of people aren't good enough. We've never had to quantify this before because there were people in-place to filter the people America got to see, and most were qualified to some level. Now we have an ecosystem where everyone gets out there and says they're great. The vast majority are not going to be great at what they pontificate to be great at, and we're going to watch them fail right in front of our eyes.

There was no single spark that got me into science. My parents were both scientists, so I was exposed to that world from an early age. I remember noticing that science was international – in our house in India, we would have visitors from many different countries and I found that fascinating.