Nnadi a native Londoner who has been based in New York since 2010 will take office on October 9.
She is the first Black woman to hold the top job at the magazine.
Enniful will also serve as an editorial advisor at British Vogue.
Chioma Nnadi.Dia Dipasupil/Getty Images.
Nnadi has spent thirteen years atVogue, where she started as a writer.
Her recent cover stories include profiles of names such as Rihanna, Cara Delevigne, and Erykah Badu.
She is also a co-host of the Vogue podcast, The Run-Through.
