Tajeddin Benissa is a senior geologist with over 20 years of experience in the upstream oil and gas industry. He specializes in reservoir characterization, static 3D geomodelling, uncertainty analysis, and field development planning using Petrel. Throughout his career, he has contributed to major reservoir studies and development projects in Libya and Malaysia, working with organizations including Mabruk Oil Operations, Total, Petronas, and the Petroleum Research Center. In addition to his technical expertise, he is actively involved in professional training, delivering geoscience courses and mentoring young petroleum graduates through national training programs.