Kai Diekmann (born 27 June 1964 in Ravensburg) is a German businessman and former journalist. From 1998 until 2000 he was editor of Welt am Sonntag (English: World on Sunday). From January 2001 to December 2015 he was chief editor of Bild. He is also a member of the executive board of the Turkish daily Hürriyet.[1]