[6] Then he studied Master's at the Institut National des Sciences Appliquées de Lyon.

[3] In 2004, he joined Cortrel, a Tunisian leaf spring manufacturing company, and later became its Deputy Director General.

His party did even worse in the 2019 Tunisian parliamentary election by only getting 0.26 percent of the votes, and currently has no seat in the Assembly of the Representatives of the People.

[10] On 20 January 2020, he was appointed head of government by President Kais Saied after consultations with all political parties, 10 days after the previous prime minister-designate, Habib Jemli, failed to gain the confidence of parliament.

[13][14] In June 2020, according to Al Jazeera, "an independent member of Parliament published documents indicating that Fakhfakh owned shares in companies that won deals worth 44 million dinars".