Engineer from the Ecole Centrale de Paris in 1989 and holder of an executive MBA in 2009, Hatem MESTIRI began his career in the IT services sector with Capgemini from 1989 to 1998.

In 1998, he joined the operator 9 Telecom as a manager in the technology department, then Bouygues Telecom as deputy director of information systems for the Enterprise Segment.

In 2002, he was appointed Director of Information Systems at Ooredoo Tunisia.

In 2009, he was appointed Chief Technology and Information Officer Of Ooredoo Tunisia.