Ali CHEKNANE is a full-Professor at the Amar Telidji University of Laghouat-Algeria. More than 25 years of teaching graduate and post-graduate teaching experience at the university as a temporary, associated and permanent position. He has completed his Ph.D. in physics (Abou-Baker Belkaid Univerity of Tlemcen). He is a senior member at the International Academy of Science and Engineering for Development (IASED). He published many papers in various journals and conference proceedings on renewable energy subjects. He served as an editorial board for several journals and committee member for international conferences. He supervised 17 Ph.D. students (12 thesis have been defended). He supervised 14 post-graduation memories (Magister). He supervised more than 40 graduation memories (Engineer and Technician) in electrical engineering and Computing. He got an incentive award from„‟ Centre de Developpement des Energies Renouvelables- CDER”. He was awarded for the best publication in physics in Algeria from the ANDRU agency in 2008. He is the Head of the research team: “Photovoltaic Systems & Devices”. He is a reviewer in many Journals as Solar Energy, Conversion Energy and Management Journal, Electronics Journal, International Journal of Engineering Innovations and Research, Measurement, International Journal of Electronics, Energy and Buildings and Journal of Applied Electrochemistry. He was the President of the Scientific Committee at the Electrical Engineering Department- Amar TelidjiUniversity of Laghouat for two years from September 2008 to December 2009. He was the Vice Dean of Research and Post-graduation at the Faculty of Sciences and Engineering. The University of Laghouat for two years from December 2009 to July 2001. He is Responsible for Quality Assurance at Amar Telidji University of Laghouat- from October 2012-present. He is the President of an Association of Renewable Energy and Sustainable Development. Laghouat. ALGERIA, from March 2015 – present. He is an expert at the Algerian commission of the university establishments, from Jan.2020 – present. He is an expert at the Algerian commission of equivalency diploma. from Mars.2020 – present. Actually, He is the Dean of the Faculty of Technology at the Amar Telidji University of Laghouat- ALGERIA. From July 2011 – present.