The 20 most powerful Harvard graduates alive

From the President of the United States to the heads of some of the biggest financial institutions in the world, Harvard University graduates have established themselves in powerful positions.

Harvard - which is known as the university with the best reputation in the world - is known as being one of the best academic institutions in the America.

Both its undergraduate and graduate programs consistently top many higher education rankings.

For this list, we've included any living person who has a degree from one of Harvard's schools. We looked for those who are currently in positions of major power and influence on both a national and global stage.

Alyson Penn contributed to an earlier version of this list.