He then attended Lycée Louis-le-Grand, followed by École centrale Paris where he received a Master of Philosophy in Chemical Engineering in 1974. He concurrently studied Law, Economics and Management at the University of Paris 1 Pantheon-Sorbonne, Institut d"Études Politiques de Paris and Ecole Nationale d"Administration where he later graduated with honors.
Academic background Grira obtained his baccalaureate from lycée de garçons in Sousse, in June 1974. Political career In 1991, he was appointed Chief Executive Officer of the Banque Tuniso-Libyenne. He took on the role of General Secretary of the Government.
In January 16, 1992, he was assigned the position of General Secretary of Foreign Affairs Ministry.
In April 22, 1999, he was chosen as Minister of State Properties and Land Affairs. On 14 January 2010, he became the Minister of National Defense.
Post-revolution After the ousting of the Tunisian President Zine El Abidine Ben Ali during the revolution of 2011, Ridha Grira was reappointed by Prime Minister Mohamed Ghannouchi to his position within the « national unity government » formed by Mohamed Ghannouchi. This government was strongly opposed by the people due to its composition of prominent figures of the former regime and the Constitutional Democratic Rally.At that time M.Grira was the president of the Manar II (Tunis) unit a position he held since 1994.
Despite the continuous efforts by the new government, the protesters continued to voice their displease with its current members.
As a result, M. Grira resigned from the government in January 27, 2011.
During his political career, M. Grira held several senior administrative positions at the Prime Ministry of Tunisia. As a result, the of the pressure from the protesters M. Grira resigned from Constitutional Democratic Rally party in January 20.