Khaled Trabelsi holds the National Degree of Engineer in Biotechnology from ENIS (Sfax, Tunisia), Master degree in Industrial Biotechnology from INSAT (National Institute of Applied Sciences and Technology) (Tunis, Tunisia) and PhD in Biological Engineering from INSAT. During his thesis he worked on the development of a vectored vaccine against hepatitis E virus using AAV as a vector. Since 2003 he was recruited for the Biotechnology Development Group at Pasteur institute of Tunisia. He has worked on process development using animal and insect cells for several viral vaccines’ productions for human and veterinary use, such as measles, rabies, sheeppox, Newcastle, Hepatitis E…. He published several papers in refereed international journals. In September 2020, he joined Life Science Department at Arabian Gulf University as assistant Professor in Bioprocess engineering