 In March 2011, the channel modified its schedule to only have three original nights of primetime programming per-week, moving "Oprah Behind The Scenes" to Sunday nights alongside "Oprah's Master Class".On May 6, 2011, OWN's CEO Christina Norman was removed, and replaced by Discovery executive Peter Liguori as an interim CEO.In July, Winfrey assumed the role of CEO, and named Sheri Salata as a co-president.