Konstantin Vulkov has been the Bulgarian National Darik Radio program director since 2006. Before that, he was the program director of Retro Radio, Internet editor at Egoist magazine, and correspondent for Bulgaria at Transitions Online and the Bulgarian section of the BBC. He is an author in several Bulgarian and foreign newspapers and magazines, including L'Europeo, Calvert Journal, Port, etc. He is the editor of the biannual print publication Dolce Far Niente. He hosts the overview political program "The Staircase of Darik Radio."

He also does documentary and portrait photography. Since 2018, he has released the visual series "goSTOLubiv," in which he photographs Darik's guests. He has held three exhibitions: Oborishte 5 Gallery, National Art Gallery, and Kvadrat 500 Gallery.