Harvard University is a private research university that provides undergraduate, graduate, and professional education through 12 degree-granting schools, including Harvard College, Harvard Business School, Harvard Law School, Harvard Medical School, and the Harvard John A. Paulson School of Engineering and Applied Sciences. It conducts research across disciplines such as arts and humanities, social sciences, natural sciences, engineering, medicine, and public policy. The university serves approximately 21,000 students from around the world and employs over 18,000 faculty and staff. Harvard targets higher education and advanced research markets, with alumni and faculty including eight U.S. presidents, numerous Nobel laureates, and Fields Medalists. It maintains the world's largest academic endowment, exceeding $50 billion as of 2023, which funds operations, financial aid, and research initiatives. Founded in 1636, Harvard is the oldest institution of higher education in the United States and operates primarily from its campus in Cambridge, Massachusetts, with additional facilities worldwide.