Laila Ben Said is a microbiologist and holds a Ph.D. in Biological sciences. His Ph.D. project focused on the study and characterization of antibiotic resistance phenomena in enterococci and enterobacteriaceae isolated from different environments. Between 2017 and 2021, she carried out a postdoctoral fellowship at Université Laval during which she tackled a new research niche related to the evaluation of the potential of bacteriocins as an alternative to antibiotics in animal production. Her research work focused on the production, purification and caracterization of the antimicrobial spectrum of bacteriocins against multi-drug resistant bacteria.

Dr Ben Said is also the scientific coordinator of the "AVIBIOCIN" project funded by the International Development Research Centre (IDRC) and the UK Department of Health and Social Care. She is co-author of 35 scientific publications and has presented 23 oral presentations and posters at national and international conferences.