Harvard Business School educates leaders who make a difference in the world. HBS offers an MBA Program, an intensive, two-year residential program leading to an MBA degree; Doctoral Programs with nine full-time programs leading to a Ph.D. or DBA degree; and Executive Education with more than 80 programs preparing talented professionals from all over the world for new levels of leadership in their careers and within their organizations. Some of the notable graduates of Harvard Business School are former US President George W. Bush, Ratan Tata, and James Dimon. Harvard Business School is an Ivy League school.