To succeed in business you need to be original, but you also need to understand what your customers want.

I decided there must be room for another airline when I spent two days trying to get through to People Express.

Screw it, let's do it - Just get on with it and do it

It can be a challenge not to let failure, or negativity from others, prevent you from going after what you believe in and what in your gut you know can work. However it is important to face these challenges head on and give them a go and importantly don't beat yourself up if you fail - just pick yourself up, learn as much as you can from the experience and get on with the next challenge.

We've definitely cracked the technology. Now we're just trying to be able to produce the amount of fuels that we need to satisfy our own needs and then other people's needs.

My mother always taught me never to look back in regret but to move on to the next thing. The amount of time people waste dwelling on failures rather than putting that energy into another project, always amazes me. I have fun running all the Virgin businesses-so a setback is never a bad experience, just a learning curve.

One key to entrepreneurial success is to get a great group of people around you who believe in your idea.