Mike Faith, Headsets.com
British-born Mike Faith found starting a business in the UK difficult - but in America it was a different story.
While running a company in California, he became irritated when he couldn't find a reliable supply of telephone headsets for his offices.
Six weeks later he was in the headset business himself.
"Look for those things in your life or in your business that annoy you, where you can't get the satisfaction that you want; if you can't find what you want in the market place, and you try hard, it's probably likely there's a business opportunity there".