Dhirar is a recent Doctor (July 2024) studied at the Mohamed Khider University of Biskra and a research member at LARHYSS Laboratory. He is working in the water treatment and environment field. He did a short-term internship at Nova School University in Lisbon, Portugal (May 2023). He is also a past Erasmus student at Cadiz University, Spain (2023/2024). He said that extending scholar network of the researcher is necessary to make knowledge, where the collaboration is the key to reach this goal.