Alan Horn chairman and chief creative officer for the Walt Disney Company presents at the D23 Expo in 2019.Image Group LA | Walt Disney Television | Getty ImagesDisney veteran Alan Horn is stepping down as co-chairman of Walt Disney Studios, the company announced Monday.Horn will continue working as Disney’s chief creative officer while his partner, Alan Bergman, runs Disney’s studio content as the sole chairman, effective Jan. 1.These executive shifts come less than two months after Disney announced that it was restructuring its media and entertainment divisions to focus more heavily on streaming content.Horn, 77, and Bergman, 54, have jointly led the studios group at Disney as co-chairmen since May 2019. Together the pair presided over the integration of Lucasfilm and the Fox film studios into the Walt Disney family and have helped usher in a new era of streaming content for Disney+.During their tenure, the studios segment has set a number of records at the box office and released blockbuster hits like “Frozen,” “Star Wars: The Force Awakens,” “Black Panther” and “Avengers: Endgame,” which is currently the highest-grossing film of all time.”The Walt Disney Studios’ achievements under the leadership of Alan Horn and Alan Bergman have been nothing short of extraordinary,” said Disney CEO Bob Chapek in a statement. As chairman, Bergman will oversee creative, production, marketing and operations for Disney’s studios content, which includes Disney, Walt Disney Animation, Pixar, Marvel, Lucasfilm, 20th Century, Searchlight Pictures and Blue Sky Studios. He will also oversee Disney’s theatrical productions.”I am grateful to take on the role of chairman of the studios as I believe deeply in our people, culture, and the work we do,” said Bergman, a 24-year Disney veteran. From 2005 to 2019, Bergman served as president of Walt Disney Studios. In that role, he led the integrations of Pixar and Marvel Studios, and released 25 films that tallied at least $1 billion at the global box office.Horn, as chief creative officer, will focus on the creative aspects of the studios’ content pipeline. Prior to working for Disney, Horn was the president and chief operating officer at Warner Bros. from 1999 to 2011.”It has been an honor to lead The Walt Disney Studios over the past eight-plus years,” Horn said. “It has been an amazing run, and the time feels right to shift my focus solely to our enormous creative slate.”Disney announced around 100 film and TV projects during its annual investor day last week, about 80% are going directly to Disney+.