30 March 1989 - 18 October 2010: His Highness (Yang Teramat Mulia) Tengku Muhammad Faiz Petra ibni Sultan Ismail Petra, The Tengku Bendahara.
8 December 2016 - Present: His Royal Highness (Yang Maha Mulia) Tengku Dr. Muhammad Faiz Petra ibni Sultan Ismail Petra, the Regent of Kelantan.