Prior to joining CCR, Diala was a Clinical Supervising Attorney and Lecturer in Law at the International Human Rights and Conflict Resolution Clinic at Stanford Law School, and a Senior Staff Attorney supervising the CLEAR (Creating Law Enforcement Accountability & Responsibility) project at CUNY School of Law. She has also worked on a range of international human rights issues, including refugee policies in Australia and Greece, and human rights and humanitarian law violations in the Occupied Palestinian Territory. Shamas received her undergraduate and law degrees from Yale, where she was an editor for the Yale Human Rights and Development Law Journal.