[7] He co-founded the Ecole Nationale d'Ingénieurs de Sfax in 1983 [8] He was a member of the Ennahda Movement.
[6] As a result of his political activism under Ben Ali, he was jailed for eighteen months from 1987 to 1989, and from 1990 to 1993.
[6] In 1987, his passport was revoked, and he was forbidden from leaving Tunisia or travelling inside the country for twenty years, as were his children.
[4][5] During those years, he was supported by the Canadian Committee of Scientists and Scholars and the American Mathematical Society.
[4][6][7] On 20 December 2011, after former President Ben Ali was deposed, he joined the Jebali Cabinet as Minister of Higher Education.