Ilhem OMRI is a Doctor engineer from National Institutes Of Applied Sciences and Technology of Tunisia (INSAT). She is currently Municipal advisor in the City of GAFSA Tunisia. She is in charge of Health, safety and Environment committee. Dr Ilhem OMRI received her PhD in 2013 from the University of Carthage In Tunisia where she has successfully completed her research work on “Bioprocess for H2S removal from waste gas " at Laboratory of Microbial Ecology and Technology at National Institute of Applied Sciences and Technology and then held a Postdoctoral Fellowship at Campagny of phosphates of GAFSA. She got very good experience in designing bioreactors. She has 12 years of teaching and research experience in Microbiol process and Environmental engineering. Her research experience is mainly on Applied and environmental microbiology, Bioremediation, Bioprocess using Bioreactors, Biofilters, various Biological treatment methods for waste gas and wastewater the microbial diversity of various naturals’ ecosystems using molecular tools. She has handled more than 5 research projects funded by various companies. More than 20 students have awarded PhD and engineer degrees under her guidance. Dr Ilhem OMRI has published papers in journals with high impact factor.