Directors

Who bosses the bosses? Directors, that's who. But who watches them? Investigations reporter Matt Nippert and data journalist Keith Ng dive into a decade of share price performance data to power-rank the men and women behind the corporate thrones.

Sam Knowles knew his numbers were good, but not quite how good. Rather, he didn't know how they compared with his peers.

"I knew that I could stand up and say 'I've created a lot of money for a lot of people'," he says from his home base in Wellington.

The founding chief executive of KiwiBank traded the C-suite for the

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Method: How the numbers were crunched