Dr. Musleh holds a Ph.D. in Fundamental of Fiqh (Jurisprudence) from the University of Jordan. Upon his graduation, in 1997, he joined the Faculty of Law at An-Najah. Since then, he has assured a number of academic and administrative positions inside and outside the university. He was the dean of the Faculty of Law and the dean of Faculty of Shari’a. Dr. Musleh also has held a number of advisory positions in several local institutions.