Professor Bülbül graduated from Marmara University Faculty of Law in 1986. In 1991, he received DEA de Droit Public Interne diploma with his dissertation named "Le Conseil d'Etat turc en tant que juge de cassation/Les moyens de cassation " from Université Panthéon-Assas (Paris 2). In 1996 at the same university, he gained his PhD with his dissertation named "Référé et constat d'urgence dans les contentieux administratifs français et turc". He gave lectures as a guest member of faculty at Faculty of Political Sciences and Law at Panhéon-Assas (Paris 2) University and Reims Champagne-Ardenne University. Bülbül is still a member of faculty at Galatasaray University Faculty of Law and has been teaching Administrative Law at Yeditepe University Faculty of Law since 1999.