Considered the leading economist of his generation, Professor Sachs is currently Director of the Earth Institute at Columbia University and Special Advisor to United Nations Secretary-General Ban Ki-moon. Prior to his arrival at Columbia University in July 2002, Professor Sachs spent over twenty years at Harvard University, most recently as Director of the Center for International Development and Galen L. Stone Professor of International Trade. From 2002 to 2006, he was Director of the UN Millennium Project and Special Advisor to United Nations Secretary-General Kofi Annan on the Millennium Development Goals, the internationally agreed goals to reduce extreme poverty, disease, and hunger by the year 2015. Professor Sachs is internationally renowned for his work as economic advisor to governments on almost every continent. In 2004 and 2005, Time Magazine named Professor Sachs one of the 100 Most Influential People in the World.