Learn to use your brain power. Critical thinking is the key to creative problem solving in business.

I've had many challenges - every entrepreneur does - it's the nature of the beast.

My number one rule in business, and in life, is to enjoy what you do. Running a business involves long hours and hard decisions; if you don't have the passion to keep you going, your business will more than likely fail. If you don't enjoy what you are doing, then you shouldn't be doing it.

Every success story is a tale of constant adaption, revision and change. A company that stands still will soon be forgotten. Trying to provoke positive change is a principle we've embedded across the Virgin family for more than four decades.

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

Taking bold climate action now has the potential to unleash the full power of business and at the same time lift millions of people out of poverty. We're the first generation to recognize this and the last generation that will have this opportunity.

Life can seem rather unreal at times. Alive and well and loving one day. No longer there the next.