Nigel Railton, who is boss of Camelot UK, which runs the National Lottery, explains how he got there.
BBC News CEO Secrets
Cancer survivor Bradley Woodhouse says he wanted to start a business that "gave me purpose in life".
Shazia Ginai, who suffers from chronic pain, found that it was no barrier to being a CEO.
Abidali Neemuchwala, boss of the global Indian IT firm Wipro, shares his CEO Secrets.
Formula 1 star and entrepreneur Nico Rosberg shares his business advice in a special edition of CEO Secrets from the World Economic Forum in Davos.
"It's important to combine peak performance with moments of rest," says Lloyds Bank chief executive.
Cecily Mills explains how moving back to her parents' house provided her business breakthrough.
CEO Secrets meets the boss who likes to hotdesk with his workforce.
Tom Blomfield, who founded mobile bank Monzo, describes his personal journey starting a business.
Health food boss James McMaster says he wants staff to bring their true personalities to their job.