Graduate, University of Michigan at Ann Arbor, University of Pennsylvania School of Medicine, and Wharton School of Business. Brings over 20 years of experience in business, government and philanthropy to The Rockefeller Foundation.  Formerly: Chief Scientist and Undersecretary for Research, Education and Economics at the United States Department of Agriculture;  leadership roles, Bill & Melinda Gates Foundation, helping launch the Alliance for a Green Revolution in Africa (a joint venture by the Gates and Rockefeller foundations) and the International Financing Facility for Immunization and supporting the creation of the Global Development Program. 2009, appointed as USAID Administrator by President Obama; was charged with reshaping the $20 billion agency's operations to provide greater assistance to pressing development challenges around the globe. Secured bipartisan support that enabled USAID to dramatically accelerate its work to end extreme poverty. Work delivered results for countries facing democratic transitions, post-conflict situations and humanitarian crises. Widely credited with providing life-saving access to food, health and water for millions of children across the planet.