She is Team leader in the Laboratory of Biomedical Genomics and Oncogenetics, responsible for the Genetic Typing Laboratory. She obtained a Master degree and a PhD at the University of the Mediterranean (Marseille- France). She worked on ancient DNA. She joined the Institut Pasteur of Tunis in 2006. She is mainly involved in research on human genetic disorders, genetic diversity in North Africa and genetic typing in forensics. She has experience in project editing and implementation through her contributions to more than ten collaborative scientific projects. Dr. Kefi is TWAS young affiliate since 2010, and Global Young Academy member since 2012. She is an author/ co-author of more than 60 publications.