Ali Tounsi is an engineer and holder of a Diploma of Master Engineer in telemechanics from the Tunisian Aeronautical Academy and a Master in airports management from the National School of Civil Aviation (ENAC-Toulouse).  He began his career in civil aviation in 1992, as an engineer in the Office of the Civil Aviation and Airports (OACA-Tunisia), in charge of projects related to the quality of services, airport resources management, and future infrastructure projects.

During his professional career, Ali has been designated director of several international airports in Tunisia, responsible for the extension of several passenger terminals. He also served as chairman of the steering committee for the implementation of the certification program of Tunisian airports.

Since 2009, Ali is Secretary General of ACI Africa, and member of the ACI World Technique and Safety Standing Committee representing the Africa region.