The Susan Thompson Buffett Foundation is a private charitable organization established in 2000 by Warren Buffett, one of the world's most renowned investors, in honor of his late wife, Susan Thompson Buffett. The foundation focuses on supporting education, reproductive health, and social justice initiatives, primarily in the United States. The foundation provides grants to various organizations and programs that align with its mission. It aims to improve access to quality education and healthcare, particularly for underserved populations, while promoting policies that enhance social equity and individual rights.