Christy Turlington

There have been so many photographers and editors who mentored me over the years. At the very beginning, the person who taught me the most was Arthur Elgort. I always loved working with him. We traveled a lot together.

The biggest public health challenge is rebuilding health systems. In other words, if you look at cholera or maternal mortality or tuberculosis in Haiti, they're major problems in Haiti, but the biggest problem is rebuilding systems.