Lobna Jeribi was Minister for Education and Minister in charge of Major Projects in the government of Elyes Fakhfakh.

Lobna Jeribi was a member of the National Constituent Assembly (2011-2014). She was vice-president of the committee on the preamble, fundamental principles and revision of the Constitution and then rapporteur of the committee on finance, planning and development until 2014.

In 2014, Lobna Jribi becomes president of Solidar, a think tank based in Tunisia that focuses on economic and social development issues with the aim of establishing social and solidarity justice as well as equality and equity in Tunisia.