HHMI is a science philanthropy whose mission is to advance biomedical research and science education for the benefit of humanity. We empower exceptional scientists and students to pursue fundamental questions about living systems. Headquartered in Chevy Chase, MD, HHMI employs more than 2,500 individuals across the United States. In fiscal year 2015, HHMI invested $666 million in U.S. biomedical research and provided $85 million in grants and other support for science education.