At the end of the day, people will follow you or people will be energised by you if they buy into your vision or purpose. So the most important thing is to be true to yourself. That's why I would say to be a great leader - you, first and foremost, have to be a great human being. And sharing that purpose and sharing the values.
The great challenge of the 21st century is to provide good standards of living for 7 billion people without depleting the earth's resources or running up massive levels of public debt. To achieve this, government and business alike will need to find new models of growth that are in both environmental and economic balance.
Every few decades, we have an opportunity to make a drastic change to the way we live our lives. We get a chance to design the building blocks of our daily routines, the infrastructure that will support and accompany us for the years to come - from the trains and trams we ride, the offices we work in, to the energy that powers our homes.
The commitment to put an end to illegal deforestation and develop sustainable alternatives for commodities like palm oil and soy, for example, is an inspiring illustration of what can be achieved when governments and industry partners come together determined to bring about transformational market-wide changes.