Rui Machete was born in Setúbal in 1940. He graduated in Law from the University of Lisbon and has a complementary degree in Political and Economic Sciences of the Faculty of Law of Lisbon (1963). Obtained the Calouste Gulbenkian prizes Historical and Legal Sciences and Political - economic, respectively in 1960 and 1962.
He was also professor of the Institute of Social Studies and the Higher Institute of Labour and Business, where he conducted several chairs, and also governed the Law School as Assistant, the Constitutional Law Chair, Administrative Law and Political Science. It was also a visiting professor at the Catholic University, where he has covered two Public Law disciplines.