Christine Lagarde is an accomplished lawyer who became the first female finance minister of France and is now the first woman to run the International Monetary Fund.
She took over the IMF in July after a sex scandal forced her predecessor, Dominique Strauss-Kahn, to resign.
At nearly six feet tall with her striking silver hair, Lagarde's physical presence is as formidable as her reputation. She'll need those attributes and then some to keep the overwhelming debts of countries like Greece and Italy from setting off a worldwide recession.
We interviewed Christine Lagarde Friday, at the end of another turbulent week for world markets.