CEO Secrets: The secret is out...
Since August 2015 the BBC Business Unit has been conducting a social media experiment called CEO Secrets.
We wanted to find out what makes prominent chief executives tick. What is the secret to their success?
Shhh! Get all the #CEOSecrets on our website here.
To keep up to date with CEO Secrets and go behind the scenes follow series producer Dougal Shaw on Twitter, external and Facebook, external.