Mehmet Saygin holds a Master's degree in law and a Master's degree in political science from the Free University of Brussels. He specialises in public law, social law, labour law, religious freedom, secularism and discrimination. He is the author of numerous articles and a book entitled "La Laïcité dans l'ordre constitutionnel belge" (2015, published by Academia, with a foreword by Belgian academic, historian and politician Hervé Hasquin).