The executive replaces Xavier Romatet, whose departure was announced last week.
Romatet was promoted to the executive committee of Condé Nast International a little more than a year ago.
Burberry, Michael Kors, Condé Nast and more said they no longer would work with the photographers after allegations in a New York Times story.
Its conclusion was that the ad made the model look unhealthily thin and the image was “irresponsible.”
Richardson can no longer work with Condé Nast titles.
Britain’s Daily Telegraph said CNI has been told to kill any future, unpublished work by the photographer.
Sewell had been fashion director of Style.com, which Farfetch purchased in June.
The role is a new one, and Bellavita will be overseeing the digital editorial team.
Colino most recently served as digital director of Condé Nast Mexico and Latin America.
Jonathan Newhouse expressed his disappointment to colleagues about Style.com.
Style.com will discontinue operations immediately and redirect to Farfetch.com.