High Quality Content by WIKIPEDIA articles! Robert A. Williams, Jr., is an American lawyer who is a notable author and legal scholar in the field of Federal Indian Law, International Law and Indigenous Peoples Rights, and Critical Race and Post Colonial Theory. Williams teaches at the University of Arizona`s James E. Rogers College of the Law, serving as the E. Thomas Sullivan Professor of Law and American Indian Studies and Director of the Indigenous Peoples Law and Policy Program. He is also the project leader for ArizonaNativeNet, a virtual university devoted to the higher educational needs of Native Nations.