Elizabeth Alexander (born May 30, 1962) is an American poet, essayist, playwright, and the president of the Andrew W. Mellon Foundation since 2018. Previously she was a professor for 15 years at Yale University, where she taught poetry and chaired the African American studies department. In 2015, she was appointed director of creativity and free expression at the Ford Foundation. She then joined the faculty of Columbia University in 2016, as the Wun Tsun Tam Mellon Professor in the Humanities in the Department of English and Comparative Literature.