Never take your eye off the ball. Always remember that you and everyone on the team is the servant of the cause - in our case, girls' education and young women's leadership in Africa.

For the poor, learning to manage money well is central to improving their lives.

For more than 20 years, Camfed has supported a generation of African girls and women with access to secondary and higher education, employment opportunities, and, ultimately, into positions of leadership.

When I first worked in Zimbabwe, I was a complete novice. I was doing a study, and I continued to learn more and more through the years. And where I have learned most is in the village, from the communities.

I do think that people outside the fashion industry imagine that being a model is what you might call quick, easy money, but it can be very lonely - you have to be quite tough. It's also very physically demanding.

Money is a way of expressing no compromise.

I've been through cancer, divorce, loss and bereavement, but they are things most humans go through.

Every company, large and small, has an impact on health.