12 August 2015
Last updated at 12:23
To the top of the world
The adventurer who has climbed Mount Everest three times
More from Entrepreneurship
-
Harry Potter inspiration
How Julie Deane set up the Cambridge Satchel Company
-
Canada's celebrity curry chef
How Canadian restaurateur Vikram Vij overcame a first very tough year in business to become one of the country's most famous celebrity chefs.
-
The misbehaving multimillionaire
As a schoolboy, Jack Cator set up the popular internet privacy firm Hide My Ass and now - 10 years on - he has just sold it for £40m.
-
Rubbish into gold
Building one of Middle East's first electronic waste recyclers
-
From dream to dram
What does it take to create a new malt whisky business?
-
Selling Brooklyn cool
The friends who run New York's favourite street markets