Dr. Abdelkader Hadidi currently serves as the Research Director at the Renewable Energy Development Center, Renewable Energy Research Unit in the Sahara Region (URERms) in Adrar, Algeria. He was born on May 13, 1978, in Ain Sefra, Néma Province. He obtained his baccalaureate in exact sciences in 1996 from Imam Malik High School in Ain Sefra, Néma Province, Algeria. He also earned a state diploma in hydraulic engineering from Mohamed Boudiaf University in Oran in 2001. He received his master's degree in water sciences from Abou Bekr Belkaid University in Tlemcen in 2008, and his doctorate in water sciences and management from the same university in 2019. He was promoted to Research Professor A in 2022 and to Research Director in 2025. His research interests focus primarily on water sciences, water management, wastewater treatment, renewable energy, solar energy, and climate change. He is the author of numerous articles and research papers published in national and international conferences and journals in these fields. He also participated in reviewing the proceedings of international conferences and scientific journals and worked on the scientific committees of conferences and scientific events.