The Humpty Dumpty Institute forges public-private partnerships to find solutions to humanitarian problems around the world. The Humpty Dumpty Institute is a unique non-profit organization. Visit us at www.thehdi.org The Humpty Dumpty Institute forges innovative public-private partnerships to find creative solutions to difficult humanitarian problems through a series of unique programs. Currently, HDI's mandate is to support mine-action programs around the world, help alleviate both domestic and international hunger, and foster dialogue between the United Nations and the U.S. Congress.