Last week, former military lawyer David McBride was sentenced to nearly six years in prison. His crime? Passing to journalists classified military documents that exposed war crimes by Australian soldiers. In the lead up to the trial, there was a much focus on the personal character and motives of McBride....

We sat down with Paul for a quick Q&A to learn more about him and his passion for building better cultures. Why have you built a career in whistleblowing? It happened by chance, when I followed my then-girlfriend (and now wife) to Deloitte South Africa. That was in 2007. I...