I just kind of dive in if I think I can create something that will make a difference and then try to get the numbers to stack up after the event. So most of the things I've done I would not have done if I'd have asked the accountants to look at them before.

Have fun, work hard and money will come. Don't waste time - grab your chances. Have a positive outlook on life. When it's not fun, move on.

Whatever you and your team decide your new brand will stand for, deliver on that promise. That's the only way you'll ever control your brand. And beware: brands always mean something. If you don't define what the brand means, your competitors will.

And ever since then [I] have set up businesses basically out of frustration. I mean, I set up Virgin Atlantic with one second-hand 747 because I hated the experience of flying on other people's airlines. And I thought, you know, I could try to create the kind of airline that I'd like to fly on. And people liked it.

If you are seizing on a new business opportunity, deliberately move your customers' expectations up a few notches and consistently over-deliver on your promises - you will leave your competitors struggling to catch up.

Entrepreneurial business favours the open mind. It favours people whose optimism drives them to prepare for many possible futures, pretty much purely for the joy of doing so.

Whether you are launching a start-up or leading an established company, you should start establishing your social media presence if you haven’t already.