The leadership of a business can make a huge difference, not just to the bottom line, but to the happiness of the people who work there and the culture that they create.

But in his latest book, First Leaders, Andrew O'Keeffe wanted to move away from the traditions of the big Western companies and look instead to the lessons of First Nations societies around the world.

He visited twelve different societies looking at how they've worked together for centuries, building sustainable bonds with each other and the world around them.