High Quality Content by WIKIPEDIA articles! Carlos Javier El-Hage Guaristi (born 1982) is a Bolivian attorney, former Fulbright scholar and constitutional law professor with publications on international investment law and arbitration, international human rights law, and comparative constitutional law. El-Hage currently serves as International Legal Director of the New York-based Human Rights Foundation (HRF) and heads the HRF Center for Law and Democracy, where he researches and writes on comparative constitutional law and international law.