Jen Salke, head of Amazon MGM Studios, is stepping down for a production deal, as announced in a company memo.Salke joined Amazon in 2018 and played a key role in Prime Video's growth.Amazon's Prime Video and MGM Studios head, Mike Hopkins, disclosed the news in a staff memo.After Salke's departure, Amazon decided not to fill the head of studios role to streamline operations.Courtenay Valenti and Vernon Sanders will now report directly to Mike Hopkins, overseeing film and TV, respectively.Salke will start a new production entity under a first-look deal with Amazon MGM Studios across film and TV.