Nadiv Mordechay is the head of the program for the Defense of Democratic Values and Institutions at the Israel Democracy Institute, and the Research coordinator of the Center for Democratic Values and Institutions. He is a Postdoctoral fellow at the New York University School of Law; and at the Department of Political Science at the Hebrew University.
Before joining the institute, he served as a research fellow at the Cheshin Center for Advanced Studies at the Faculty of Law at the Hebrew University. Between 2011-2015, he served as a research assistant at the Israel Democracy Institute; From 2015-2017 he served as General-Secretary of the Israeli branch of the International Society of Public Law (ICON) and as the founding editor of the ICON-S-IL Public Law Blog. As part of his doctoral studies, he attended the New York University School of Law (NYU) as a visiting Doctoral Researcher. Nadiv did his law clerkship in the chamber of the Honorable Supreme Court Justice Ayala Procaccia and in the Office of Israel's Attorney General (the then Attorney General Meni Mazuz).
Nadiv's doctorate focuses on constitutional change after the 'Constitutional Revolution'. His areas of expertise include: Constitutional and administrative law, judicial review, separation of powers, constitutional theory and constitutional change, legal advice to the Executive, Populism, and constitutional crises.